Gaya APA

Aiken, Lewis R. (1997). Psychological testing and assessment, ninth edition (9th. Ed.). Boston: Allyn and Bacon.

Gaya Chicago

Aiken, Lewis R. Psychological testing and assessment, ninth edition. 9th. Ed. Boston: Allyn and Bacon, 1997. Text.

Gaya MLA

Aiken, Lewis R. Psychological testing and assessment, ninth edition. 9th. Ed. Boston: Allyn and Bacon, 1997. Text.

Gaya Turabian

Aiken, Lewis R. Psychological testing and assessment, ninth edition. 9th. Ed. Boston: Allyn and Bacon, 1997. Print.