Dyfyniad APA
Ditzler, P., & Dumas, J. (2012). A book sale how-to guide: More money, less stress. American Library Association.
Dyfyniad Arddull Chicago
Ditzler, Pat, and JoAnn Dumas. A Book Sale How-to Guide: More Money, Less Stress. Chicago: American Library Association, 2012.
Dyfyniad MLA
Ditzler, Pat, and JoAnn Dumas. A Book Sale How-to Guide: More Money, Less Stress. American Library Association, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.