APA استشهاد

Beltrami, E. J. (1999). What is random?: Chance and order in mathematics and life. Copernicus.

استشهاد بنمط شيكاغو

Beltrami, Edward J. What Is Random?: Chance and Order in Mathematics and Life. New York: Copernicus, 1999.

MLA استشهاد

Beltrami, Edward J. What Is Random?: Chance and Order in Mathematics and Life. Copernicus, 1999.