Dyfyniad APA

Gorman, G., & Howes, B. (1989). Collection development for libraries. Bowker-Saur.

Dyfyniad Arddull Chicago

Gorman, G.E, and B.R Howes. Collection Development for Libraries. London: Bowker-Saur, 1989.

Dyfyniad MLA

Gorman, G.E, and B.R Howes. Collection Development for Libraries. Bowker-Saur, 1989.

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