Dyfyniad APA

Barrall, I. (2006). Market leader: Teacher's resource book. Harlow: Pearson Education.

Dyfyniad Arddull Chicago

Barrall, Irene. Market Leader: Teacher's Resource Book. Harlow: Pearson Education, 2006.

Dyfyniad MLA

Barrall, Irene. Market Leader: Teacher's Resource Book. Harlow: Pearson Education, 2006.

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