Dyfyniad APA

Robinson, D. F., & Foulds, L. R. (1980). Digraphs: Theory and techniques. Gordon and Breach.

Dyfyniad Arddull Chicago

Robinson, D. F., and L. R. Foulds. Digraphs: Theory and Techniques. New York: Gordon and Breach, 1980.

Dyfyniad MLA

Robinson, D. F., and L. R. Foulds. Digraphs: Theory and Techniques. Gordon and Breach, 1980.

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