ebrary, Inc, Beckenbach, E. F., & Bellman, R. (1961). An Introduction to inequalities. Mathematical Association of America.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, Edwin F. Beckenbach, agus Richard Bellman. An Introduction to Inequalities. Washington, D.C.: Mathematical Association of America, 1961.
Lua MLA (9ú heag.)ebrary, Inc, et al. An Introduction to Inequalities. Mathematical Association of America, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.