Cita APA (7a ed.)

BERGER M L. (1978). GROUP TRAINING TECHNIQUES. GOWER.

Cita Chicago Style (17a ed.)

BERGER M L. GROUP TRAINING TECHNIQUES. NEW JERSEY: GOWER, 1978.

Cita MLA (9a ed.)

BERGER M L. GROUP TRAINING TECHNIQUES. GOWER, 1978.