APA استشهاد

Saunders, P. T. (1994). Intruduction to Catastrophe Theory. Cambridge University Press.

استشهاد بنمط شيكاغو

Saunders, P. T. Intruduction to Catastrophe Theory. Cambridge: Cambridge University Press, 1994.

MLA استشهاد

Saunders, P. T. Intruduction to Catastrophe Theory. Cambridge University Press, 1994.