211193 Hart, L. B. (1991). Training methods that work: A handbook for trainers. Menlo Park, California : Crisp Publications.
Lua i Stíl Chicago (17ú heag.)211193 Hart, Lois B. Training Methods That Work: A Handbook for Trainers. Menlo Park, California : Crisp Publications, 1991.
Lua MLA (9ú heag.)211193 Hart, Lois B. Training Methods That Work: A Handbook for Trainers. Menlo Park, California : Crisp Publications, 1991.
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