APA aipamena

Lee, H. J., Choi, H., & Yoon, I. (2020). Impacts of serum vitamin D levels on sleep and daytime sleepiness according to working conditions. J Clin Sleep Med.

Chicago Style aipamena

Lee, Hyuk Joo, Hayun Choi, and In-Young Yoon. "Impacts of Serum Vitamin D Levels On Sleep and Daytime Sleepiness According to Working Conditions." J Clin Sleep Med 2020.

MLA aipamena

Lee, Hyuk Joo, Hayun Choi, and In-Young Yoon. "Impacts of Serum Vitamin D Levels On Sleep and Daytime Sleepiness According to Working Conditions." J Clin Sleep Med 2020.