APA (7. basım) Alıntı

Clarkson, P. (1999). Gestalt counselling in action (2nd ed.). Sage.

Chicago Style (17. basım) Atıf

Clarkson, Petruska. Gestalt Counselling in Action. 2nd ed. London: Sage, 1999.

MLA (9th ed.) Atıf

Clarkson, Petruska. Gestalt Counselling in Action. 2nd ed. Sage, 1999.