Dyfyniad APA
Jansen,P, & P.Ph.Jansen [et all....]. (1979). Principles of River Engineering: The Non -Tidal Alluvial River. VSSD.
Dyfyniad Arddull Chicago
Jansen,P, and P.Ph.Jansen [et all....]. Principles of River Engineering: The Non -Tidal Alluvial River. Netherlands: VSSD, 1979.
Dyfyniad MLA
Jansen,P, and P.Ph.Jansen [et all....]. Principles of River Engineering: The Non -Tidal Alluvial River. VSSD, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.