Dyfyniad APA

Heathcote, I. W. (1998). Integrated watershed management: Principles and practices. John Wiley.

Dyfyniad Arddull Chicago

Heathcote, Isobel W. Integrated Watershed Management: Principles and Practices. New York: John Wiley, 1998.

Dyfyniad MLA

Heathcote, Isobel W. Integrated Watershed Management: Principles and Practices. John Wiley, 1998.

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