Παραπομπή APA

Hutton, R. L. (1971). Number systems: An intuitive approach.

Παραπομπή Chicago Style

Hutton, Rex L. Number Systems: An Intuitive Approach. Intext Educational Publishers, Scranton, 1971.

Παραπομπή MLA

Hutton, Rex L. Number Systems: An Intuitive Approach. 1971.