APA citiranje

Christensen, L. B. (2015). Research methods, design, and analysis. Boston: Pearson.

Trích dẫn kiểu Chicago

Christensen, Larry B. Research Methods, Design, and Analysis. Boston: Pearson, 2015.

MLA citiranje

Christensen, Larry B. Research Methods, Design, and Analysis. Boston: Pearson, 2015.

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