Cita APA

Doel, M., & Sawdon, C. (1999). The essential groupworker: Teaching and learning creative groupwork. London: J. Kingsley.

Citación estilo Chicago

Doel, Mark, y Catherine Sawdon. The Essential Groupworker: Teaching and Learning Creative Groupwork. London: J. Kingsley, 1999.

Cita MLA

Doel, Mark, y Catherine Sawdon. The Essential Groupworker: Teaching and Learning Creative Groupwork. London: J. Kingsley, 1999.