Dyfyniad APA

Gast, N. (2010). Perfect phrases for ESL: Everyday business life. Chicago: McGraw-Hill.

Dyfyniad Arddull Chicago

Gast, Natalie. Perfect Phrases for ESL: Everyday Business Life. Chicago: McGraw-Hill, 2010.

Dyfyniad MLA

Gast, Natalie. Perfect Phrases for ESL: Everyday Business Life. Chicago: McGraw-Hill, 2010.

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