Lua APA (7ú heag.)

FETTER, C. (1980). Applied hydrogeology. Cherles E.Merrill.

Lua i Stíl Chicago (17ú heag.)

FETTER, C.W. Applied Hydrogeology. Columbus: Cherles E.Merrill, 1980.

Lua MLA (9ú heag.)

FETTER, C.W. Applied Hydrogeology. Cherles E.Merrill, 1980.

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