APA aipamena

Principles and recommendations for the 1970 population censuses.

Chicago Style aipamena

Principles and Recommendations for the 1970 Population Censuses. New York : United Nations, 1969.

MLA aipamena

Principles and Recommendations for the 1970 Population Censuses.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.