Citazione Stile APA (7a Edizione)

Johns, H. (2012). Personal development in counsellor training (2nd ed.). Sage.

Citazione stile Chigago Style (17a edizione)

Johns, Hazel. Personal Development in Counsellor Training. 2nd ed. Los Angeles, Calif: Sage, 2012.

Citatione MLA (9a ed.)

Johns, Hazel. Personal Development in Counsellor Training. 2nd ed. Sage, 2012.