Sipsma, H. L., Ickovics, J. R., Lin, H., & Kershaw, T. S. (2013). The Impact of Future Expectations on Adolescent Sexual Risk Behavior.
Dyfyniad Arddull ChicagoSipsma, Heather L., Jeannette R. Ickovics, Haiqun Lin, and Trace S. Kershaw. The Impact of Future Expectations On Adolescent Sexual Risk Behavior. 2013.
Dyfyniad MLASipsma, Heather L., Jeannette R. Ickovics, Haiqun Lin, and Trace S. Kershaw. The Impact of Future Expectations On Adolescent Sexual Risk Behavior. 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.