APA (7. basım) Alıntı

ebrary, Inc, & Okauru, I. O. (2012). Federal inland revenue service and taxation reforms in democratic Nigeria. Safari Books.

Chicago Style (17. basım) Atıf

ebrary, Inc, ve Ifueko Omoigui Okauru. Federal Inland Revenue Service and Taxation Reforms in Democratic Nigeria. Ibadan, Nigeria: Safari Books, 2012.

MLA (9th ed.) Atıf

ebrary, Inc, ve Ifueko Omoigui Okauru. Federal Inland Revenue Service and Taxation Reforms in Democratic Nigeria. Safari Books, 2012.