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 citaatLemma, Seblewengel, Sheila V. Patel, Yared A. Tarekegn, Mahlet G. Tadesse, Yemane Berhane, Bizu Gelaye, en 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.
MLA citatieLemma, 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.