Edwards, A. L. (1957). Techniques of attitude scale construction. Appleton-Century-Crofts.
Citazione stile Chigago Style (17a edizione)Edwards, Allen Louis. Techniques of Attitude Scale Construction. New York: Appleton-Century-Crofts, 1957.
Citatione MLA (9a ed.)Edwards, Allen Louis. Techniques of Attitude Scale Construction. Appleton-Century-Crofts, 1957.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.