Dyfyniad APA

Hashemi, L., & Thomas, B. (2010). Objetive Pet: Student´s book with answers (2nd ed.). Cambridge University Press.

Dyfyniad Arddull Chicago

Hashemi, Louise, and Barbara Thomas. Objetive Pet: Student´s Book with Answers. 2nd ed. Cambridge: Cambridge University Press, 2010.

Dyfyniad MLA

Hashemi, Louise, and Barbara Thomas. Objetive Pet: Student´s Book with Answers. 2nd ed. Cambridge University Press, 2010.

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