Lua APA (7ú heag.)

ALLEN PETER. (1977). MARKETING TECHNIQUES FOR ANALYSIS AND CONTROL. MACDONALD & EVANS.

Lua i Stíl Chicago (17ú heag.)

ALLEN PETER. MARKETING TECHNIQUES FOR ANALYSIS AND CONTROL. PLYMOUTH: MACDONALD & EVANS, 1977.

Lua MLA (9ú heag.)

ALLEN PETER. MARKETING TECHNIQUES FOR ANALYSIS AND CONTROL. MACDONALD & EVANS, 1977.

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