Converse, P. D., Huegy, H. W., & Mitchell, R. V. (1965). Elements of marketing (7th ed.). Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Converse, Paul Dulaney, Harvey Wilborn Huegy, agus Robert Victor Mitchell. Elements of Marketing. 7th ed. Englewood Cliffs, N.J.: Prentice-Hall, 1965.
Lua MLA (9ú heag.)Converse, Paul Dulaney, et al. Elements of Marketing. 7th ed. Prentice-Hall, 1965.
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