APA (7e ed.) Bronvermelding

Trotzer, J. P. (1989). The counselor and the group: Integrating theory, training and practice. Accelerated Development Inc.

Chicago (17e ed.) Bronvermelding

Trotzer, James P. The Counselor and the Group: Integrating Theory, Training and Practice. Muncie, Indiana: Accelerated Development Inc, 1989.

MLA (9e ed.) Bronvermelding

Trotzer, James P. The Counselor and the Group: Integrating Theory, Training and Practice. Accelerated Development Inc, 1989.