Garmy, P., Jakobsson, U., & Nyberg, P. (2011). Development and Psychometric Evaluation of a New Instrument for Measuring Sleep Length and Television and Computer Habits of Swedish School-Age Children. SAGE Publications.
Chicago-tyylinen lähdeviittausGarmy, Pernilla, Ulf Jakobsson, ja Per Nyberg. Development and Psychometric Evaluation of a New Instrument for Measuring Sleep Length and Television and Computer Habits of Swedish School-Age Children. SAGE Publications, 2011.
MLA-viiteGarmy, Pernilla, Ulf Jakobsson, ja Per Nyberg. Development and Psychometric Evaluation of a New Instrument for Measuring Sleep Length and Television and Computer Habits of Swedish School-Age Children. SAGE Publications, 2011.
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