APA (7. basım) Alıntı

JONATHAN, G. (2015). History beckons: A collection of speeches, volume II. Office of the Special Adviser to the President on Research, Documentation.

Chicago Style (17. basım) Atıf

JONATHAN, Goodluck. History Beckons: A Collection of Speeches, Volume II. Office of the Special Adviser to the President on Research, Documentation, 2015.

MLA (9th ed.) Atıf

JONATHAN, Goodluck. History Beckons: A Collection of Speeches, Volume II. Office of the Special Adviser to the President on Research, Documentation, 2015.