Gaya APA
J.M, S, V. (1974).
Drainage Principles And Applications: III Surveys and Investigations (Publication 16 Vol III).
Wageningen:
International Institute For Land Reclamation And Improovement.
Gaya MLA
J.M, Staveren, Van.
"Drainage Principles And Applications: III Surveys and Investigations".
Publication 16 Vol III
Wageningen:
International Institute For Land Reclamation And Improovement,
1974.
Text.