Dyfyniad APA

Dehn, M., & translated and introduced by John Stillwell. (1987). Papers on group theory and topology. Springer-Verlag.

Dyfyniad Arddull Chicago

Dehn, Max, and translated and introduced by John Stillwell. Papers on Group Theory and Topology. New York: Springer-Verlag, 1987.

Dyfyniad MLA

Dehn, Max, and translated and introduced by John Stillwell. Papers on Group Theory and Topology. Springer-Verlag, 1987.

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