Dyfyniad APA

LEWIS-BECK MICHAEL S. (1993). EXPERIMENTAL DESIGN AND METHODS. SAGE PUBLICATIONS.

Dyfyniad Arddull Chicago

LEWIS-BECK MICHAEL S. EXPERIMENTAL DESIGN AND METHODS. LONDON: SAGE PUBLICATIONS, 1993.

Dyfyniad MLA

LEWIS-BECK MICHAEL S. EXPERIMENTAL DESIGN AND METHODS. SAGE PUBLICATIONS, 1993.

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