LLOYD SAM R. (1992). DEVELOPING POSITIVE ASSERTIVENESS: PRACTICAL TECHNIQUES FOR PERSONAL SUCCESS... GALGOTIA PUBLICATIONS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLLOYD SAM R. DEVELOPING POSITIVE ASSERTIVENESS: PRACTICAL TECHNIQUES FOR PERSONAL SUCCESS... NEW DELHI: GALGOTIA PUBLICATIONS, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLLOYD SAM R. DEVELOPING POSITIVE ASSERTIVENESS: PRACTICAL TECHNIQUES FOR PERSONAL SUCCESS... GALGOTIA PUBLICATIONS, 1992.
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