Dyfyniad APA

Ward, A. (1996). Preparation PET and practice. Oxford: Oxford University Press.

Dyfyniad Arddull Chicago

Ward, Ann. Preparation PET and Practice. Oxford: Oxford University Press, 1996.

Dyfyniad MLA

Ward, Ann. Preparation PET and Practice. Oxford: Oxford University Press, 1996.

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