APA

Cooper S., Heenan C., . (1980). Preparing, designing, leading workshops: a humanistic approach. New York: Van Nostrand Reinhold.

Chicago

Cooper Susan, Heenan Cathy, . 1980. Preparing, designing, leading workshops: a humanistic approach. New York: Van Nostrand Reinhold.

Harvard

Cooper S., Heenan C., . (1980). Preparing, designing, leading workshops: a humanistic approach. New York: Van Nostrand Reinhold.

MLA

Cooper Susan, Heenan Cathy, . Preparing, designing, leading workshops: a humanistic approach. New York: Van Nostrand Reinhold. 1980.