Crowley, K. (2012). Mean girls at work: How to stay professional when things get personal (Unabridged.). McGraw Hill-Ascent Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCrowley, Katherine. Mean Girls at Work: How to Stay Professional When Things Get Personal. Unabridged. Saybrook: McGraw Hill-Ascent Audio, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCrowley, Katherine. Mean Girls at Work: How to Stay Professional When Things Get Personal. Unabridged. McGraw Hill-Ascent Audio, 2012.
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