Fetro, J. V. (1991). Step by step: To substance use prevention; the planning guide for school-based programs. Network Publ.
Chicago-Zitierstil (17. Ausg.)Fetro, Joyce V. Step by Step: To Substance Use Prevention; the Planning Guide for School-based Programs. Santa Cruz, Calif: Network Publ, 1991.
MLA-Zitierstil (8. Ausg.)Fetro, Joyce V. Step by Step: To Substance Use Prevention; the Planning Guide for School-based Programs. Network Publ, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.