Trent University\nUniversity of Waterloo. Faculty of Environmental Studies. (2017). Alternatives: Perspectives on society and environment. Trent University, Faculty and Students.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Trent University\nUniversity of Waterloo. Faculty of Environmental Studies. Alternatives: Perspectives on Society and Environment. Peterborough, Canada: Trent University, Faculty and Students, 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Trent University\nUniversity of Waterloo. Faculty of Environmental Studies. Alternatives: Perspectives on Society and Environment. Trent University, Faculty and Students, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.