Dyfyniad APA

Scott, Foresman and Company, & Boyd, C. D. (2003). Regions: Scott, Foresman social studies. Pearson Education, Inc..

Dyfyniad Arddull Chicago

Scott, Foresman and Company, and Candy Dawson Boyd. Regions: Scott, Foresman Social Studies. Glenview, Ill.: Pearson Education, Inc., 2003.

Dyfyniad MLA

Scott, Foresman and Company, and Candy Dawson Boyd. Regions: Scott, Foresman Social Studies. Pearson Education, Inc., 2003.

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