Gaya APA

Gravetter, Frederick J. (2015). Research Methods: For The Behavioral Sciences (5th Edition). USA: Cengage Learning.

Gaya Chicago

Gravetter, Frederick J. Research Methods: For The Behavioral Sciences. 5th Edition USA: Cengage Learning, 2015. Text.

Gaya MLA

Gravetter, Frederick J. Research Methods: For The Behavioral Sciences. 5th Edition USA: Cengage Learning, 2015. Text.

Gaya Turabian

Gravetter, Frederick J. Research Methods: For The Behavioral Sciences. 5th Edition USA: Cengage Learning, 2015. Print.