Citazione Stile APA (7a Edizione)

Roughton, A., & Powers, A. (1976). An Outline of How to Plan a Workshop.

Citazione stile Chigago Style (17a edizione)

Roughton, Anne, e Audrey Powers. An Outline of How to Plan a Workshop. 1976.

Citatione MLA (9a ed.)

Roughton, Anne, e Audrey Powers. An Outline of How to Plan a Workshop. 1976.