Dyfyniad APA

Spiller, D. (1991). Book selection: Principles and practice (5th ed.). Library Association Pub.

Dyfyniad Arddull Chicago

Spiller, David. Book Selection: Principles and Practice. 5th ed. London: Library Association Pub, 1991.

Dyfyniad MLA

Spiller, David. Book Selection: Principles and Practice. 5th ed. Library Association Pub, 1991.

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