APA aipamena

Huke, R. E. (1963). Shadows on the land: An economic geography of the Philippines. Manila: Bookmark.

Chicago Style aipamena

Huke, Robert E. Shadows On the Land: An Economic Geography of the Philippines. Manila: Bookmark, 1963.

MLA aipamena

Huke, Robert E. Shadows On the Land: An Economic Geography of the Philippines. Manila: Bookmark, 1963.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.