Øverby, N. C., Klepp, K., & Bere, E. (2013). Changes in screen time activity in Norwegian children from 2001 to 2008: Two cross sectional studies. BioMed Central.
シカゴスタイル引用形Øverby, Nina C., Knut-Inge Klepp, , Elling Bere. Changes in Screen Time Activity in Norwegian Children From 2001 to 2008: Two Cross Sectional Studies. BioMed Central, 2013.
MLA引用形式Øverby, Nina C., Knut-Inge Klepp, , Elling Bere. Changes in Screen Time Activity in Norwegian Children From 2001 to 2008: Two Cross Sectional Studies. BioMed Central, 2013.
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