Ptak, R. (2026). Paulo Jorge de Sousa Pinto, Miguel Rodrigues Lourenço, Pedro Pinto, and Jeremy Roe (eds.), Historia obscura. The Philippines in 16th and 17th Century Portuguese Sources. 2 vols. Manila: National Historical Commission of the Philippines, 2025, [xiv] +330 (=vol. 1), [vi] + 368 pp. (= vol. 2), bibliography. ISBN: 978-971-538-386-8 (=vol. 1); 978-971-538-388-2 (= vol. 2). URI:https://journals.openedition.org/archipel.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPtak, Roderich. "Paulo Jorge De Sousa Pinto, Miguel Rodrigues Lourenço, Pedro Pinto, and Jeremy Roe (eds.), Historia Obscura. The Philippines in 16th and 17th Century Portuguese Sources. 2 Vols. Manila: National Historical Commission of the Philippines, 2025, [xiv] +330 (=vol. 1), [vi] + 368 Pp. (= Vol. 2), Bibliography. ISBN: 978-971-538-386-8 (=vol. 1); 978-971-538-388-2 (= Vol. 2)." URI:https://journals.openedition.org/archipel 2026.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPtak, Roderich. "Paulo Jorge De Sousa Pinto, Miguel Rodrigues Lourenço, Pedro Pinto, and Jeremy Roe (eds.), Historia Obscura. The Philippines in 16th and 17th Century Portuguese Sources. 2 Vols. Manila: National Historical Commission of the Philippines, 2025, [xiv] +330 (=vol. 1), [vi] + 368 Pp. (= Vol. 2), Bibliography. ISBN: 978-971-538-386-8 (=vol. 1); 978-971-538-388-2 (= Vol. 2)." URI:https://journals.openedition.org/archipel, 2026.