Dyfyniad APA
Harwell, A., & Tomasik, K. (1987). When your friend gets cancer: How you can help. H. Shaw.
Dyfyniad Arddull Chicago
Harwell, Amy, and Kristine Tomasik. When Your Friend Gets Cancer: How You Can Help. Wheaton, Ill.: H. Shaw, 1987.
Dyfyniad MLA
Harwell, Amy, and Kristine Tomasik. When Your Friend Gets Cancer: How You Can Help. H. Shaw, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.