Παραπομπή APA

Sorgenfrey, R. H., & Beckenbach, E. F. (1990). Analysis of elementary functions. Houghton Mifflin.

Παραπομπή Chicago Style

Sorgenfrey, Robert H., και Edwin F. Beckenbach. Analysis of Elementary Functions. Boston: Houghton Mifflin, 1990.

Παραπομπή MLA

Sorgenfrey, Robert H., και Edwin F. Beckenbach. Analysis of Elementary Functions. Houghton Mifflin, 1990.