Bless, C., Higson-Smith, C., & Kagee, A. (2006). Fundamentals of social research methods: An African perspective (4th ed.). Juta & Co..
Chicago-čujuhus (17. p.)Bless, Claire, Craig Higson-Smith, juo Ashraf Kagee. Fundamentals of Social Research Methods: An African Perspective. 4th ed. Cape Town, South Africa: Juta & Co., 2006.
MLA-čujuhus (9. p.)Bless, Claire, et al. Fundamentals of Social Research Methods: An African Perspective. 4th ed. Juta & Co., 2006.
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