Dokumentuaren aipamena

APA (7th ed.) Zitazioa
L'Estrange P. H. (19). Philips' progressive atlas of comparative geography. The London Geographical Institute.
Chicago Style (17th ed.) Zitazioa
L'Estrange P. H. Philips' Progressive Atlas of Comparative Geography. The London Geographical Institute, 19.
MLA (9th ed.) Zitazioa
L'Estrange P. H. Philips' Progressive Atlas of Comparative Geography. The London Geographical Institute, 19.
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