Dyfyniad APA

Viney, P., & Peter Viney; Karen Viney. (1991). Grapevine. Oxford: Oxford University Press.

Dyfyniad Arddull Chicago

Viney, Peter, và Peter Viney; Karen Viney. Grapevine. Oxford: Oxford University Press, 1991.

Dyfyniad MLA

Viney, Peter, và Peter Viney; Karen Viney. Grapevine. Oxford: Oxford University Press, 1991.

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