Dyfyniad APA

Zeeman, E. C. (1977). Catastrophe theory: Selected papers, 1972-1977. Reading, Mass.: Addison-Wesley Pub. Co., Advanced Book Program.

Dyfyniad Arddull Chicago

Zeeman, E. C. Catastrophe Theory: Selected Papers, 1972-1977. Reading, Mass.: Addison-Wesley Pub. Co., Advanced Book Program, 1977.

Dyfyniad MLA

Zeeman, E. C. Catastrophe Theory: Selected Papers, 1972-1977. Reading, Mass.: Addison-Wesley Pub. Co., Advanced Book Program, 1977.

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