Παραπομπή σε μορφή APA (7η εκδ.)

Purcell, S. (2012). Commercially important sea cucumbers of the world. Food and Agriculture Organizaiton of the United Nations.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Purcell, Steven. Commercially Important Sea Cucumbers of the World. Rome: Food and Agriculture Organizaiton of the United Nations, 2012.

Παραπομπή σε μορφή MLA (9th εκδ.)

Purcell, Steven. Commercially Important Sea Cucumbers of the World. Food and Agriculture Organizaiton of the United Nations, 2012.