ASTD. (1993). INFO-LINE PRACTICAL GUIDELINES FOR TRAINING AND DEVELOPMENT PROFESSIONAL: UNDER STANDING TEENGINEER. ASTD.
Chicago Style (17th ed.) CitationASTD. INFO-LINE PRACTICAL GUIDELINES FOR TRAINING AND DEVELOPMENT PROFESSIONAL: UNDER STANDING TEENGINEER. ASTD, 1993.
ציטוט MLAASTD. INFO-LINE PRACTICAL GUIDELINES FOR TRAINING AND DEVELOPMENT PROFESSIONAL: UNDER STANDING TEENGINEER. ASTD, 1993.
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