APA način citiranja (7. izdanje)
Nigeria. Federal Inland Revenue Service, ebrary, Inc, & Okauru, I. O. (2012). A comprehensive tax history of Nigeria. Safari Books.
Čikaški stil citiranja (17. izdanje)
Nigeria. Federal Inland Revenue Service, Inc ebrary, i Ifueko Omoigui Okauru. A Comprehensive Tax History of Nigeria. Ibadan, Nigeria: Safari Books, 2012.
MLA način citiranja (9. izdanje)
Nigeria. Federal Inland Revenue Service, et al. A Comprehensive Tax History of Nigeria. Safari Books, 2012.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.