APA (7 वां संस्करण) प्रशस्ति पत्र
Lyrakos, G. N. (2010). Role of dispositional optimism in health related quality of life among health care professionals with musculoskeletal pain. Nova Science.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Lyrakos, George N. Role of Dispositional Optimism in Health Related Quality of Life Among Health Care Professionals with Musculoskeletal Pain. Hauppauge, NY: Nova Science, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Lyrakos, George N. Role of Dispositional Optimism in Health Related Quality of Life Among Health Care Professionals with Musculoskeletal Pain. Nova Science, 2010.
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