Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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