Dyfyniad APA

Heinrichs, H., Martens, P., Michelsen, G., & Wiek, A. (2020). Sustainability Science. 1st ed. Springer Netherlands.

Dyfyniad Arddull Chicago

Heinrichs, Harald, Pim Martens, Gerd Michelsen, và Arnim Wiek. Sustainability Science. 1st Ed. Springer Netherlands, 2020.

Dyfyniad MLA

Heinrichs, Harald, Pim Martens, Gerd Michelsen, và Arnim Wiek. Sustainability Science. 1st Ed. Springer Netherlands, 2020.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.