Mejorada, N. D. (1995). Textbook and reviewer of management services. Part 1 (2nd ed.). Goodwill Trading.
Chicago Style (17. basım) AtıfMejorada, Nenita D. Textbook and Reviewer of Management Services. Part 1. 2nd ed. Manila: Goodwill Trading, 1995.
MLA (9th ed.) AtıfMejorada, Nenita D. Textbook and Reviewer of Management Services. Part 1. 2nd ed. Goodwill Trading, 1995.
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