FAO. (1988). FAO conservation guide N.17: National parks planning: a manual with annotated examples. Rome: FAO.
Trích dẫn kiểu ChicagoFAO. FAO Conservation Guide N.17: National Parks Planning: A Manual With Annotated Examples. Rome: FAO, 1988.
ציטוט MLAFAO. FAO Conservation Guide N.17: National Parks Planning: A Manual With Annotated Examples. Rome: FAO, 1988.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.