Dyfyniad APA

Lester, J., & Koehler, W. C. J. (2007). Fundamentals of information studies: Understanding information and its environment (2nd ed.). Neal-Schuman.

Dyfyniad Arddull Chicago

Lester, June, and Wallace C. Jr Koehler. Fundamentals of Information Studies: Understanding Information and Its Environment. 2nd ed. New York: Neal-Schuman, 2007.

Dyfyniad MLA

Lester, June, and Wallace C. Jr Koehler. Fundamentals of Information Studies: Understanding Information and Its Environment. 2nd ed. Neal-Schuman, 2007.

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