APA aipamena

(1938). Population investigation committee: First annual report (January 1st, 1937—December 31st, 1937).

Chicago Style aipamena

Population Investigation Committee: First Annual Report (January 1st, 1937—December 31st, 1937). 1938.

MLA aipamena

Population Investigation Committee: First Annual Report (January 1st, 1937—December 31st, 1937). 1938.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.