Gaya APA
Harr, M.E.. (1962).
Groundwater and Seepage .
:
McGraw-Hill Book Co..
Gaya Chicago
Harr, M.E..
Groundwater and Seepage.
:
McGraw-Hill Book Co.,
1962.
Text.
Gaya MLA
Harr, M.E..
Groundwater and Seepage.
:
McGraw-Hill Book Co.,
1962.
Text.
Gaya Turabian
Harr, M.E..
Groundwater and Seepage.
:
McGraw-Hill Book Co.,
1962.
Print.