APA aipamena

Leedy, P. D. (2005). Practical researchPaul D.Leedy and Jeanne Ellis Ormrod. Pearson.

Chicago Style aipamena

Leedy, Paul D. Practical ResearchPaul D.Leedy and Jeanne Ellis Ormrod. Pearson, 2005.

MLA aipamena

Leedy, Paul D. Practical ResearchPaul D.Leedy and Jeanne Ellis Ormrod. Pearson, 2005.

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