Cita APA (7th ed.)

Dyer, W. W., & Vriend, J. j. a. (1977). Counseling techniques that work. Funk & Wagnalls.

Cita Chicago (17th ed.)

Dyer, Wayne W., i John joint auth Vriend. Counseling Techniques That Work. New York: Funk & Wagnalls, 1977.

Cita MLA (9th ed.)

Dyer, Wayne W., i John joint auth Vriend. Counseling Techniques That Work. Funk & Wagnalls, 1977.