LANCASTER, G. (1993). Essentials Of Marketing Text And Cases Geoffrey Lancaster And Lester Massingham. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLANCASTER, Geoffrey. Essentials Of Marketing Text And Cases Geoffrey Lancaster And Lester Massingham. McGraw-Hill, 1993.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLANCASTER, Geoffrey. Essentials Of Marketing Text And Cases Geoffrey Lancaster And Lester Massingham. McGraw-Hill, 1993.
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