Citazione Stile APA (7a Edizione)
AMERICAN GUIDANCE SERVICE. (1997). DISCOVER SKILL FOR LIFE. SUSTANCE ABUSE PREVENTION PROGRAM. GRADES K- 12. AMERICAN GUIDANCE SERVICE.
Citazione stile Chigago Style (17a edizione)
AMERICAN GUIDANCE SERVICE. DISCOVER SKILL FOR LIFE. SUSTANCE ABUSE PREVENTION PROGRAM. GRADES K- 12. USA: AMERICAN GUIDANCE SERVICE, 1997.
Citatione MLA (9a ed.)
AMERICAN GUIDANCE SERVICE. DISCOVER SKILL FOR LIFE. SUSTANCE ABUSE PREVENTION PROGRAM. GRADES K- 12. AMERICAN GUIDANCE SERVICE, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.