Dyfyniad APA

Henerson, M. E., Morris, L. L., & Fitz-Gibbon, C. T. (1987). How to measure attitudes (2nd ed.). Sage Publications.

Dyfyniad Arddull Chicago

Henerson, Marlene E., Lynn Lyons Morris, and Carol Taylor Fitz-Gibbon. How to Measure Attitudes. 2nd ed. Newbury Park, Calif.: Sage Publications, 1987.

Dyfyniad MLA

Henerson, Marlene E., et al. How to Measure Attitudes. 2nd ed. Sage Publications, 1987.

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