Oliver, G. (1995). Marketing today. Hertfordshire, UK: Prentice-Hall International.
शिकागो स्टाइल उद्धरणOliver, Gordon. Marketing Today. Hertfordshire, UK: Prentice-Hall International, 1995.
एमएलए उद्धरणOliver, Gordon. Marketing Today. Hertfordshire, UK: Prentice-Hall International, 1995.
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