APA aipamena

FAO. (1989). FAO statistical development series N.3: Sampling methods for agricultural surveys. Rome: FAO.

Chicago Style aipamena

FAO. FAO Statistical Development Series N.3: Sampling Methods for Agricultural Surveys. Rome: FAO, 1989.

MLA aipamena

FAO. FAO Statistical Development Series N.3: Sampling Methods for Agricultural Surveys. Rome: FAO, 1989.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.