Halimatussadiah, A., Widyawati, D., & Syahril,Shanty. (2016). Trust,leadership and money incentives and the promotion of participation in community-based recycling activity: Which one works? Economy and Environment Program for Southeast Asia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Halimatussadiah, Alin, Diah Widyawati, و Syahril,Shanty. Trust,leadership and Money Incentives and the Promotion of Participation in Community-based Recycling Activity: Which One Works? Los Baños, Laguna: Economy and Environment Program for Southeast Asia, 2016.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Halimatussadiah, Alin, et al. Trust,leadership and Money Incentives and the Promotion of Participation in Community-based Recycling Activity: Which One Works? Economy and Environment Program for Southeast Asia, 2016.