Παραπομπή APA

Kjønniksen, L., Torsheim, T., & Wold, B. (2008). Tracking of leisure-time physical activity during adolescence and young adulthood: A 10-year longitudinal study. BioMed Central.

Παραπομπή Chicago Style

Kjønniksen, Lise, Torbjørn Torsheim, και Bente Wold. Tracking of Leisure-time Physical Activity During Adolescence and Young Adulthood: A 10-year Longitudinal Study. BioMed Central, 2008.

Παραπομπή MLA

Kjønniksen, Lise, Torbjørn Torsheim, και Bente Wold. Tracking of Leisure-time Physical Activity During Adolescence and Young Adulthood: A 10-year Longitudinal Study. BioMed Central, 2008.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.