Bossert, F. (2014). Langer Erick D., Expecting pears from an elm tree. Franciscan missions on the Chiriguano frontier in the heart of South America, 1830-1949. URI:https://journals.openedition.org/jsa.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBossert, Federico. "Langer Erick D., Expecting Pears from an Elm Tree. Franciscan Missions on the Chiriguano Frontier in the Heart of South America, 1830-1949." URI:https://journals.openedition.org/jsa 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBossert, Federico. "Langer Erick D., Expecting Pears from an Elm Tree. Franciscan Missions on the Chiriguano Frontier in the Heart of South America, 1830-1949." URI:https://journals.openedition.org/jsa, 2014.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.