APA aipamena

Applied Population Research Trust. (1990). Population Research Abstracts. Applied Population Research Trust.

Chicago Style aipamena

Applied Population Research Trust. Population Research Abstracts. Bangalore-560008: Applied Population Research Trust, 1990.

MLA aipamena

Applied Population Research Trust. Population Research Abstracts. Applied Population Research Trust, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.