American Society for Training and Development & Piskurich, G. M. (1993). The ASTD handbook of instructional technology. American Society for Training and Development McGraw Hill.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAmerican Society for Training and Development এবং George M. Piskurich. The ASTD Handbook of Instructional Technology. New York: American Society for Training and Development McGraw Hill, 1993.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিAmerican Society for Training and Development এবং George M. Piskurich. The ASTD Handbook of Instructional Technology. American Society for Training and Development McGraw Hill, 1993.
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