Edwards, A. L. (1957). Techniques of attitude scale construction. Appleton-Century-Crofts.
Chicago-viite (17. p.)Edwards, Allen Louis. Techniques of Attitude Scale Construction. New York: Appleton-Century-Crofts, 1957.
MLA-viite (9. p.)Edwards, Allen Louis. Techniques of Attitude Scale Construction. Appleton-Century-Crofts, 1957.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.