Kerr, S. (2019). The British Lighthouse Trail: A Regional Guide. Whittles Publishing.
Citazione stile Chigago Style (17a edizione)Kerr, Sarah. The British Lighthouse Trail: A Regional Guide. Caithness: Whittles Publishing, 2019.
Citatione MLA (8a ed.)Kerr, Sarah. The British Lighthouse Trail: A Regional Guide. Whittles Publishing, 2019.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.