Dyfyniad APA

Ritchey, J. D., & Rumbaugh, J. O. (1996). Subsurface Fluid-Flow (Ground Water and Vadose Zone) Modeling. ASTM Special Technical Publication.

Dyfyniad Arddull Chicago

Ritchey, Joseph D., and James O. Rumbaugh. Subsurface Fluid-Flow (Ground Water and Vadose Zone) Modeling. USA: ASTM Special Technical Publication, 1996.

Dyfyniad MLA

Ritchey, Joseph D., and James O. Rumbaugh. Subsurface Fluid-Flow (Ground Water and Vadose Zone) Modeling. ASTM Special Technical Publication, 1996.

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