APA (7th ed.) Zitazioa
Trewartha, G. T. (1978). The more developed Realm: A geography of its population. Pergamon Pr.
Chicago Style (17th ed.) Zitazioa
Trewartha, Glenn Thomas. The More Developed Realm: A Geography of Its Population. Oxford [usw.]: Pergamon Pr, 1978.
MLA (9th ed.) Zitazioa
Trewartha, Glenn Thomas. The More Developed Realm: A Geography of Its Population. Pergamon Pr, 1978.
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