Dyfyniad APA

Coates, D. R. (1973). Environmental geomorphology and landscape conservation: :v.3. Dowden.

Dyfyniad Arddull Chicago

Coates, Donald R. Environmental Geomorphology and Landscape Conservation: :v.3. Pennsylvania: Dowden, 1973.

Dyfyniad MLA

Coates, Donald R. Environmental Geomorphology and Landscape Conservation: :v.3. Dowden, 1973.

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