Dyfyniad APA

Harrison, B. English as a second and foreign language.

Dyfyniad Arddull Chicago

Harrison, Brian. English as a Second and Foreign Language.

Dyfyniad MLA

Harrison, Brian. English as a Second and Foreign Language.

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