APA (7th ed.) Zitazioa

SAUNDERS, P. T. (1980). An Introduction to catastrophe theory. C.U.Pr.

Chicago Style (17th ed.) Zitazioa

SAUNDERS, Peter Timothy. An Introduction to Catastrophe Theory. Cambridge: C.U.Pr, 1980.

MLA (9th ed.) Zitazioa

SAUNDERS, Peter Timothy. An Introduction to Catastrophe Theory. C.U.Pr, 1980.