APA (7 वां संस्करण) प्रशस्ति पत्र

HOLLINS-ALEXANDER, S. (2013). Online professional development through virtual learning communities. Corwin.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

HOLLINS-ALEXANDER, Sonja. Online Professional Development Through Virtual Learning Communities. Corwin, 2013.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

HOLLINS-ALEXANDER, Sonja. Online Professional Development Through Virtual Learning Communities. Corwin, 2013.

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