Lua APA (7ú heag.)
ebrary, Inc, & Obotekudo, S. W. (2011). The inaugural addresses and ascension speeches of Nigerian elected and non-elected presidents and prime minister, 1960-2010. University Press of America.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Solomon Williams Obotekudo. The Inaugural Addresses and Ascension Speeches of Nigerian Elected and Non-elected Presidents and Prime Minister, 1960-2010. Lanham, MD: University Press of America, 2011.
Lua MLA (9ú heag.)
ebrary, Inc, agus Solomon Williams Obotekudo. The Inaugural Addresses and Ascension Speeches of Nigerian Elected and Non-elected Presidents and Prime Minister, 1960-2010. University Press of America, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.