Παραπομπή APA

Dennis V,Johnson. (1997). Non wood forest products: Tropical palms. FAO.

Παραπομπή Chicago Style

Dennis V,Johnson. Non Wood Forest Products: Tropical Palms. Rome: FAO, 1997.

Παραπομπή MLA

Dennis V,Johnson. Non Wood Forest Products: Tropical Palms. FAO, 1997.