Lua APA (7ú heag.)

DUNCAN D J. (1959). RETAILING: PRINCIPLES AND METHODS. IRWIN MCGRAW-HILL.

Lua i Stíl Chicago (17ú heag.)

DUNCAN D J. RETAILING: PRINCIPLES AND METHODS. HOMEWOOD: IRWIN MCGRAW-HILL, 1959.

Lua MLA (9ú heag.)

DUNCAN D J. RETAILING: PRINCIPLES AND METHODS. IRWIN MCGRAW-HILL, 1959.

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