Dyfyniad APA

Krishnan R K. (2013). The Five Laws of Library Science. Centrum Press.

Dyfyniad Arddull Chicago

Krishnan R K. The Five Laws of Library Science. New Delhi: Centrum Press, 2013.

Dyfyniad MLA

Krishnan R K. The Five Laws of Library Science. Centrum Press, 2013.

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