Dyfyniad APA
McCullough, M. E., Sandage, S. J., & Worthington, E. L. (1997). To forgive is human: How to put your past in the past. InterVarsity Press.
Dyfyniad Arddull Chicago
McCullough, Michael E., Steven J. Sandage, and Everett L. Worthington. To Forgive Is Human: How to Put Your Past in the Past. Illinois: InterVarsity Press, 1997.
Dyfyniad MLA
McCullough, Michael E., et al. To Forgive Is Human: How to Put Your Past in the Past. InterVarsity Press, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.