Dyfyniad APA

Hopson, B., & Scally, M. (1994). Twelve steps to success through service. Excel.

Dyfyniad Arddull Chicago

Hopson, Barrie, and Mike Scally. Twelve Steps to Success Through Service. New Delhi: Excel, 1994.

Dyfyniad MLA

Hopson, Barrie, and Mike Scally. Twelve Steps to Success Through Service. Excel, 1994.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.