Dyfyniad APA

Katz, L. C. (1997). Up your nose. College of Family Physicians of Canada.

Dyfyniad Arddull Chicago

Katz, L. C. Up Your Nose. College of Family Physicians of Canada, 1997.

Dyfyniad MLA

Katz, L. C. Up Your Nose. College of Family Physicians of Canada, 1997.

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