Dyfyniad APA
HECHT, M., & ET AL. (2009). IMMEDIATE AND SHORT-TERM EFFECTS OF THE 5TH GRADE VERSION OF THE KEEPIN'IT REAL SUBSTANCE USE PREVENTION INTERVENTION.
Dyfyniad Arddull Chicago
HECHT, M.L, and ET AL. IMMEDIATE AND SHORT-TERM EFFECTS OF THE 5TH GRADE VERSION OF THE KEEPIN'IT REAL SUBSTANCE USE PREVENTION INTERVENTION. 2009.
Dyfyniad MLA
HECHT, M.L, and ET AL. IMMEDIATE AND SHORT-TERM EFFECTS OF THE 5TH GRADE VERSION OF THE KEEPIN'IT REAL SUBSTANCE USE PREVENTION INTERVENTION. 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.