Citazione Stile APA (7a Edizione)

Nelson, R. (2003). Basic counselling skills (2nd.). Sage Publisher.

Citazione stile Chigago Style (17a edizione)

Nelson, R. Basic Counselling Skills. 2nd. Delhi: Sage Publisher, 2003.

Citatione MLA (9a ed.)

Nelson, R. Basic Counselling Skills. 2nd. Sage Publisher, 2003.