Billmeyer, F. W., & Kelley, R. N. (1975). Entering industry: A guide for young professionals. Wiley.
Lua i Stíl Chicago (17ú heag.)Billmeyer, Fred W., agus Richard N. Kelley. Entering Industry: A Guide for Young Professionals. New York: Wiley, 1975.
Lua MLA (9ú heag.)Billmeyer, Fred W., agus Richard N. Kelley. Entering Industry: A Guide for Young Professionals. Wiley, 1975.
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