Dyfyniad APA

Crowell, R. H., & Fox, R. H. (1963). Introduction to knot theory. Springer-Verlag.

Dyfyniad Arddull Chicago

Crowell, Richard H., and Ralph H. Fox. Introduction to Knot Theory. New York: Springer-Verlag, 1963.

Dyfyniad MLA

Crowell, Richard H., and Ralph H. Fox. Introduction to Knot Theory. Springer-Verlag, 1963.

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