Hutchinson, T. (1991). Hotline: Starter. Student's book. Oxford University Press.
Cita Chicago Style (17a ed.)Hutchinson, Tom. Hotline: Starter. Student's Book. Oxford: Oxford University Press, 1991.
Cita MLA (9a ed.)Hutchinson, Tom. Hotline: Starter. Student's Book. Oxford University Press, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.