APA-čujuhus (7. p.)
ebrary, Inc, & Okauru, I. O. (2012). Federal inland revenue service and taxation reforms in democratic Nigeria. Safari Books.
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Ifueko Omoigui Okauru. Federal Inland Revenue Service and Taxation Reforms in Democratic Nigeria. Ibadan, Nigeria: Safari Books, 2012.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Ifueko Omoigui Okauru. Federal Inland Revenue Service and Taxation Reforms in Democratic Nigeria. Safari Books, 2012.
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