Cita APA

Lemma, S., Patel, S. V., Tarekegn, Y. A., Tadesse, M. G., Berhane, Y., Gelaye, B., & Williams, M. A. (2012). The Epidemiology of Sleep Quality, Sleep Patterns, Consumption of Caffeinated Beverages, and Khat Use among Ethiopian College Students. Hindawi Publishing Corporation.

Chicago Style Citation

Lemma, Seblewengel, Sheila V. Patel, Yared A. Tarekegn, Mahlet G. Tadesse, Yemane Berhane, Bizu Gelaye, i Michelle A. Williams. The Epidemiology of Sleep Quality, Sleep Patterns, Consumption of Caffeinated Beverages, and Khat Use Among Ethiopian College Students. Hindawi Publishing Corporation, 2012.

Cita MLA

Lemma, Seblewengel, et al. The Epidemiology of Sleep Quality, Sleep Patterns, Consumption of Caffeinated Beverages, and Khat Use Among Ethiopian College Students. Hindawi Publishing Corporation, 2012.