APA (7e ed.) Bronvermelding
Akpan-Umana, O. (2013). An introduction to the modern Gulf of Guinea: People, history, political economy and strategic future. Adonis & Abbey Publishers Ltd.
Chicago (17e ed.) Bronvermelding
Akpan-Umana, Otoabasi. An Introduction to the Modern Gulf of Guinea: People, History, Political Economy and Strategic Future. London, England ; Asokoro, Nigeria: Adonis & Abbey Publishers Ltd, 2013.
MLA (9e ed.) Bronvermelding
Akpan-Umana, Otoabasi. An Introduction to the Modern Gulf of Guinea: People, History, Political Economy and Strategic Future. Adonis & Abbey Publishers Ltd, 2013.
Let op: Deze citaties zijn niet altijd 100% accuraat.