APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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