Lua APA (7ú heag.)

PETERSON, R. (1977). Marketing a Contemporary Introduction Robin Peterson. John Willey and Sons.

Lua i Stíl Chicago (17ú heag.)

PETERSON, Robin. Marketing a Contemporary Introduction Robin Peterson. John Willey and Sons, 1977.

Lua MLA (8ú heag.)

PETERSON, Robin. Marketing a Contemporary Introduction Robin Peterson. John Willey and Sons, 1977.

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