Converse, P. D. (1935). The elements of marketing (Rev. ed.). Prentice-Hall, Inc..
Lua i Stíl Chicago (17ú heag.)Converse, Paul Dulaney. The Elements of Marketing. Rev. ed. New York: Prentice-Hall, Inc., 1935.
Lua MLA (8ú heag.)Converse, Paul Dulaney. The Elements of Marketing. Rev. ed. Prentice-Hall, Inc., 1935.
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