Dyfyniad APA

Puhe, J., & Ulrich, B. (2001). Global climate change and human impacts on forest ecosystems: Postglacial development, present situation, and future trends in Central Europe. Springer.

Dyfyniad Arddull Chicago

Puhe, J., and B. Ulrich. Global Climate Change and Human Impacts on Forest Ecosystems: Postglacial Development, Present Situation, and Future Trends in Central Europe. Berlin: Springer, 2001.

Dyfyniad MLA

Puhe, J., and B. Ulrich. Global Climate Change and Human Impacts on Forest Ecosystems: Postglacial Development, Present Situation, and Future Trends in Central Europe. Springer, 2001.

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