Dyfyniad APA

Lammers, W. J. (2005). Fundamentals of behavioral research William J. Lammers, Pietro Badia. Thomson Wadsworth.

Dyfyniad Arddull Chicago

Lammers, William J. Fundamentals of Behavioral Research William J. Lammers, Pietro Badia. Thomson Wadsworth, 2005.

Dyfyniad MLA

Lammers, William J. Fundamentals of Behavioral Research William J. Lammers, Pietro Badia. Thomson Wadsworth, 2005.

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