Dyfyniad APA

BURY,Christopher, POTTER, M., & WINTER, M. (1990). Student practice book 7: Video english. Macmillan Pub.

Dyfyniad Arddull Chicago

BURY,Christopher, Mike POTTER, and Michael WINTER. Student Practice Book 7: Video English. London: Macmillan Pub, 1990.

Dyfyniad MLA

BURY,Christopher, et al. Student Practice Book 7: Video English. Macmillan Pub, 1990.

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