APA aipamena

Oskamp, S. (1991). Attitudes and opinions (2nd ed.). Prentice Hall.

Chicago Style aipamena

Oskamp, Stuart. Attitudes and Opinions. 2nd ed. Englewood Cliffs, N.J: Prentice Hall, 1991.

MLA aipamena

Oskamp, Stuart. Attitudes and Opinions. 2nd ed. Prentice Hall, 1991.