Ahmad, N. (2005). Entrepreneurs: Challenges and Expectations / Normah Ahmad. Universiti Teknologi MARA, Perlis.
Chicago-čujuhus (17. p.)Ahmad, Normah. Entrepreneurs: Challenges and Expectations / Normah Ahmad. Universiti Teknologi MARA, Perlis, 2005.
MLA-čujuhus (9. p.)Ahmad, Normah. Entrepreneurs: Challenges and Expectations / Normah Ahmad. Universiti Teknologi MARA, Perlis, 2005.
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