Gaya APA
Cavelaars, J. (1974).
Drainage Principles And Applications: IV Design And Management Of Drainage Systems (Publications 16 Vol IV).
Wageningen:
International Institute For Land Reclamation And Improovement.
Gaya MLA
Cavelaars, J.C.
"Drainage Principles And Applications: IV Design And Management Of Drainage Systems".
Publications 16 Vol IV
Wageningen:
International Institute For Land Reclamation And Improovement,
1974.
Text.