Παραπομπή σε μορφή APA (7η εκδ.)

OBISAKIN, L. O. (2014). Protocol for life: Guidelines on diplomatic, official and social manners. Somerest Ventures.

Παραπομπή σε μορφή Chicago (17η εκδ.)

OBISAKIN, Lawrence Olufemi. Protocol for Life: Guidelines on Diplomatic, Official and Social Manners. Somerest Ventures, 2014.

Παραπομπή σε μορφή MLA (9th εκδ.)

OBISAKIN, Lawrence Olufemi. Protocol for Life: Guidelines on Diplomatic, Official and Social Manners. Somerest Ventures, 2014.