Park, S. (2014). Associations of physical activity with sleep satisfaction, perceived stress, and problematic Internet use in Korean adolescents. BMC Public Health.
Chicago-tyylinen lähdeviittausPark, Subin. "Associations of Physical Activity With Sleep Satisfaction, Perceived Stress, and Problematic Internet Use in Korean Adolescents." BMC Public Health 2014.
MLA-viitePark, Subin. "Associations of Physical Activity With Sleep Satisfaction, Perceived Stress, and Problematic Internet Use in Korean Adolescents." BMC Public Health 2014.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.