Dyfyniad APA

Harary, F., & Palmer, E. M. (1973). Graphical enumeration. Academic Press.

Dyfyniad Arddull Chicago

Harary, Frank, and Edgar M. Palmer. Graphical Enumeration. New York: Academic Press, 1973.

Dyfyniad MLA

Harary, Frank, and Edgar M. Palmer. Graphical Enumeration. Academic Press, 1973.

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