Leone, L., & Burkhart, G. (2012). Guidelines for the evaluation of drug prevention: A manual for programme planners and evaluators EMCDDA manuals. doi:10.2810/51268
Chicago Style (17th ed.) CitationLeone, Liliana, and Gregor Burkhart. "Guidelines for the Evaluation of Drug Prevention: A Manual for Programme Planners and Evaluators." EMCDDA Manuals 2012. https://doi.org/10.2810/51268.
MLA (9th ed.) CitationLeone, Liliana, and Gregor Burkhart. "Guidelines for the Evaluation of Drug Prevention: A Manual for Programme Planners and Evaluators." EMCDDA Manuals, 2012, https://doi.org/10.2810/51268.
Warning: These citations may not always be 100% accurate.