Duggan, K. (2013). Business gamification for dummies. Hoboken, N.J: John Wiley & Sons.
シカゴスタイル引用形Duggan, Kris. Business Gamification for Dummies. Hoboken, N.J: John Wiley & Sons, 2013.
MLA引用形式Duggan, Kris. Business Gamification for Dummies. Hoboken, N.J: John Wiley & Sons, 2013.
警告: この引用は必ずしも正確ではありません.