Dyfyniad APA

Thomas, D. M., Hinckley, A. T., & Eisenbach, E. R. (1981). The effective reference librarian. Academic Press.

Dyfyniad Arddull Chicago

Thomas, Diana M., Ann T. Hinckley, and Elizabeth R. Eisenbach. The Effective Reference Librarian. New York: Academic Press, 1981.

Dyfyniad MLA

Thomas, Diana M., et al. The Effective Reference Librarian. Academic Press, 1981.

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