Dyfyniad APA

Cohen Ronald Jay & Mark E. Swerdlik. (2010). Psychological testing and assessment: An introduction (7th ed.). McGraw Hill.

Dyfyniad Arddull Chicago

Cohen Ronald Jay and Mark E. Swerdlik. Psychological Testing and Assessment: An Introduction. 7th ed. Boston: McGraw Hill, 2010.

Dyfyniad MLA

Cohen Ronald Jay and Mark E. Swerdlik. Psychological Testing and Assessment: An Introduction. 7th ed. McGraw Hill, 2010.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.