Lerner, J. J. (1969). Introduction to business: A contemporary reader. Prentice-Hall, Inc.
Lua i Stíl Chicago (17ú heag.)Lerner, Joel J. Introduction to Business: A Contemporary Reader. Englewood Cliffs, N.J: Prentice-Hall, Inc, 1969.
Lua MLA (9ú heag.)Lerner, Joel J. Introduction to Business: A Contemporary Reader. Prentice-Hall, Inc, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.