Dyfyniad APA

Lougheed, L. (2011). Direct to TOEFL iBT: Student's book. Macmillan Education.

Dyfyniad Arddull Chicago

Lougheed, Lin. Direct to TOEFL IBT: Student's Book. [Bangkok, Thailand]: Macmillan Education, 2011.

Dyfyniad MLA

Lougheed, Lin. Direct to TOEFL IBT: Student's Book. Macmillan Education, 2011.

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