Akram, U., Ellis, J. G., & Barclay, N. L. (2015). Anxiety Mediates the Relationship between Perfectionism and Insomnia Symptoms: A Longitudinal Study. PLoS One.
استشهاد بنمط شيكاغوAkram, Umair, Jason G. Ellis, و Nicola L. Barclay. "Anxiety Mediates the Relationship between Perfectionism and Insomnia Symptoms: A Longitudinal Study." PLoS One 2015.
MLA استشهادAkram, Umair, Jason G. Ellis, و Nicola L. Barclay. "Anxiety Mediates the Relationship between Perfectionism and Insomnia Symptoms: A Longitudinal Study." PLoS One 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.