Gaya APA
hofwegan, P, V., schultz, B. (1997).
financial aspects of water management (Edisi 1 Jilid 1).
netherlands:
a.a. balkema/rotterdam.
Gaya MLA
hofwegan, Paul, Van., schultz, Bart.
"financial aspects of water management".
Edisi 1 Jilid 1
netherlands:
a.a. balkema/rotterdam,
1997.
Text.