Cita APA (7th ed.)

Dyer, W. G. (1972). Modern theory and method in group training. Van Nostrand Reinhold.

Cita Chicago (17th ed.)

Dyer, William G. Modern Theory and Method in Group Training. New York: Van Nostrand Reinhold, 1972.

Cita MLA (9th ed.)

Dyer, William G. Modern Theory and Method in Group Training. Van Nostrand Reinhold, 1972.