Gaya APA
SCHULER, J, B, &.
(1993).
FILTERS IN GEOTECHNICAL AND HYDRAULICENGINEERING
.
:
A.A.BALKEMA.
Gaya MLA
SCHULER, J., BRAUNS, &.
"FILTERS IN GEOTECHNICAL AND HYDRAULICENGINEERING".
:
A.A.BALKEMA,
1993.
Text Book.