Citazione Stile APA (7a Edizione)

Erford, B. T. (2010). 35 techniques every counselor should know. Pearson Merrill Prentice Hall.

Citazione stile Chigago Style (17a edizione)

Erford, Bradley T. 35 Techniques Every Counselor Should Know. Upper Saddle River, N.J: Pearson Merrill Prentice Hall, 2010.

Citatione MLA (9a ed.)

Erford, Bradley T. 35 Techniques Every Counselor Should Know. Pearson Merrill Prentice Hall, 2010.