Dyfyniad APA

(1973). Reference services review: RSR. MCB University Press.

Dyfyniad Arddull Chicago

Reference Services Review: RSR. Bradford, England: MCB University Press, 1973.

Dyfyniad MLA

Reference Services Review: RSR. MCB University Press, 1973.

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