Waddington, H., & White, H. (2014). Farmer field schools: From agricultural extension to adult education : 3ie systematic review summary 1. International Initiative for Impact Evaluation (3ie).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Waddington, Hugh, و Howard White. Farmer Field Schools: From Agricultural Extension to Adult Education : 3ie Systematic Review Summary 1. London: International Initiative for Impact Evaluation (3ie), 2014.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Waddington, Hugh, و Howard White. Farmer Field Schools: From Agricultural Extension to Adult Education : 3ie Systematic Review Summary 1. International Initiative for Impact Evaluation (3ie), 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.