Dyfyniad APA

(2015). Grammar explorer 3: Student book. Boston: MA National Geographic Learning Cengage Learning.

Dyfyniad Arddull Chicago

Grammar Explorer 3: Student Book. Boston: MA National Geographic Learning Cengage Learning, 2015.

Dyfyniad MLA

Grammar Explorer 3: Student Book. Boston: MA National Geographic Learning Cengage Learning, 2015.

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