APA استشهاد

Edward J Beltrami. (1999). What is Random? Chance and Order in Mathematics and Life. Copernicus.

استشهاد بنمط شيكاغو

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

MLA استشهاد

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