APA aipamena

FAO. (1988). FAO conservation guide N.17: National parks planning: a manual with annotated examples. Rome: FAO.

Chicago Style aipamena

FAO. FAO Conservation Guide N.17: National Parks Planning: A Manual With Annotated Examples. Rome: FAO, 1988.

MLA aipamena

FAO. FAO Conservation Guide N.17: National Parks Planning: A Manual With Annotated Examples. Rome: FAO, 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.