Viney, P. (1992). Grapevine: Video activity book 3. Oxford.
Cita Chicago Style (17a ed.)Viney, Peter. Grapevine: Video Activity Book 3. Hong Kong: Oxford, 1992.
Cita MLA (9a ed.)Viney, Peter. Grapevine: Video Activity Book 3. Oxford, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.