توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Postma, D. W. (2006). Why Care for Nature?: In Search of an Ethical Framework for Environmental Responsibility and Education. Springer Netherlands. https://doi.org/10.1007/1-4020-5003-8

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Postma, Dirk Willem. Why Care for Nature?: In Search of an Ethical Framework for Environmental Responsibility and Education. Dordrecht: Springer Netherlands, 2006. https://doi.org/10.1007/1-4020-5003-8.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Postma, Dirk Willem. Why Care for Nature?: In Search of an Ethical Framework for Environmental Responsibility and Education. Springer Netherlands, 2006. https://doi.org/10.1007/1-4020-5003-8.