OBISAKIN, L. O. (2014). Protocol for life: Guidelines on diplomatic, official and social manners. Somerest Ventures.
Citazione stile Chigago Style (17a edizione)OBISAKIN, Lawrence Olufemi. Protocol for Life: Guidelines on Diplomatic, Official and Social Manners. Somerest Ventures, 2014.
Citatione MLA (9a ed.)OBISAKIN, Lawrence Olufemi. Protocol for Life: Guidelines on Diplomatic, Official and Social Manners. Somerest Ventures, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.