Dyfyniad APA

Plotkin, D. (2009). How to do everything. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Plotkin, David. How to Do Everything. New York: McGraw-Hill, 2009.

Dyfyniad MLA

Plotkin, David. How to Do Everything. New York: McGraw-Hill, 2009.

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