Dyfyniad APA

Harrison, R. (2006). Headway (new) academic skills: Reading, writing, and study skills (student's book). Oxford: Oxford Univ. Press.

Dyfyniad Arddull Chicago

Harrison, Richard. Headway (new) Academic Skills: Reading, Writing, and Study Skills (student's Book). Oxford: Oxford Univ. Press, 2006.

Dyfyniad MLA

Harrison, Richard. Headway (new) Academic Skills: Reading, Writing, and Study Skills (student's Book). Oxford: Oxford Univ. Press, 2006.

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