Dyfyniad APA

Cameron, S. (2008). Hemispheres 1: Teacher's manual. New York, United States: McGraw-Hill ESL/ELT.

Dyfyniad Arddull Chicago

Cameron, Scott. Hemispheres 1: Teacher's Manual. New York, United States: McGraw-Hill ESL/ELT, 2008.

Dyfyniad MLA

Cameron, Scott. Hemispheres 1: Teacher's Manual. New York, United States: McGraw-Hill ESL/ELT, 2008.

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