Dyfyniad APA
Collins, G. R. (1995). How to be a people helper. Tyndale House Publishers.
Dyfyniad Arddull Chicago
Collins, Gary R. How to Be a People Helper. Illinois: Tyndale House Publishers, 1995.
Dyfyniad MLA
Collins, Gary R. How to Be a People Helper. Tyndale House Publishers, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.