Kamaluddin, N., & Ab. Manan, S. K. (2010). The conceptual framework of Islamic work ethic (IWE) / Norlela Kamaluddin and Siti Khadijah Ab. Manan. Universiti Teknologi MARA Cawangan Selangor.
Chicago-čujuhus (17. p.)Kamaluddin, Norlela, juo Siti Khadijah Ab. Manan. The Conceptual Framework of Islamic Work Ethic (IWE) / Norlela Kamaluddin and Siti Khadijah Ab. Manan. Universiti Teknologi MARA Cawangan Selangor, 2010.
MLA-čujuhus (9. p.)Kamaluddin, Norlela, juo Siti Khadijah Ab. Manan. The Conceptual Framework of Islamic Work Ethic (IWE) / Norlela Kamaluddin and Siti Khadijah Ab. Manan. Universiti Teknologi MARA Cawangan Selangor, 2010.
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