Lua APA (7ú heag.)

Breen, G. E., & Blankenship, A. (1982). Do-it-yourself marketing research (2d ed.). McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Breen, George Edward, agus A.B Blankenship. Do-it-yourself Marketing Research. 2d ed. New York: McGraw-Hill, 1982.

Lua MLA (9ú heag.)

Breen, George Edward, agus A.B Blankenship. Do-it-yourself Marketing Research. 2d ed. McGraw-Hill, 1982.

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