APA aipamena

Townsend, D. (1973). 7,100 islands: The Philippines. Jacaranda Press.

Chicago Style aipamena

Townsend, Derek. 7,100 Islands: The Philippines. Queensland Australia: Jacaranda Press, 1973.

MLA aipamena

Townsend, Derek. 7,100 Islands: The Philippines. Jacaranda Press, 1973.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.