APA (7e ed.) Bronvermelding

Henle, M. (2012). Which numbers are real? Mathematical Association of America.

Chicago (17e ed.) Bronvermelding

Henle, Michael. Which Numbers Are Real? Washington, D.C.: Mathematical Association of America, 2012.

MLA (9e ed.) Bronvermelding

Henle, Michael. Which Numbers Are Real? Mathematical Association of America, 2012.