Dyfyniad APA

Helena Gomm. (2009). In company: Pre-intermediate teacher's book. Oxford [England]: Macmillan Education.

Dyfyniad Arddull Chicago

Helena Gomm. In Company: Pre-intermediate Teacher's Book. Oxford [England]: Macmillan Education, 2009.

Dyfyniad MLA

Helena Gomm. In Company: Pre-intermediate Teacher's Book. Oxford [England]: Macmillan Education, 2009.

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