448594 Highland, E. H. (1990). Business mathematics. Englewood Cliffs, N J : Prentice Hall.
Lua i Stíl Chicago (17ú heag.)448594 Highland, Esther Harris. Business Mathematics. Englewood Cliffs, N J : Prentice Hall, 1990.
Lua MLA (9ú heag.)448594 Highland, Esther Harris. Business Mathematics. Englewood Cliffs, N J : Prentice Hall, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.