Dyfyniad APA

Soars, L., Soars, J., & Hancock, P. (2019). Headway: Pre-Intermediate - Student's Book. Oxford University Press.

Dyfyniad Arddull Chicago

Soars, Liz, John Soars, and Paul Hancock. Headway: Pre-Intermediate - Student's Book. Oxford, Unites Kingdom: Oxford University Press, 2019.

Dyfyniad MLA

Soars, Liz, et al. Headway: Pre-Intermediate - Student's Book. Oxford University Press, 2019.

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