Lua APA (7ú heag.)

Bearden, W. O. O. (2007). Marketing: Principles & Pesspectives (5th.). McGraw-Hill Publ.

Lua i Stíl Chicago (17ú heag.)

Bearden, William O.& Others. Marketing: Principles & Pesspectives. 5th. Boston: McGraw-Hill Publ, 2007.

Lua MLA (9ú heag.)

Bearden, William O.& Others. Marketing: Principles & Pesspectives. 5th. McGraw-Hill Publ, 2007.

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