Mead, S. (1968). How to succeed at business spying by trying. Simon and schuster.
शिकागो स्टाइल उद्धरणMead, Shepherd. How to Succeed at Business Spying by Trying. New york: Simon and schuster, 1968.
एमएलए उद्धरणMead, Shepherd. How to Succeed at Business Spying by Trying. Simon and schuster, 1968.
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