Dyfyniad APA

Smith, P. I. S. (1970). Industrial intelligence and espionage. Business Books.

Dyfyniad Arddull Chicago

Smith, Paul I. Slee. Industrial Intelligence and Espionage. London: Business Books, 1970.

Dyfyniad MLA

Smith, Paul I. Slee. Industrial Intelligence and Espionage. Business Books, 1970.

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