Gaya APA
Schwab, Glenn O.. (1981).
Soil and water conservation engineering (text).
New York:
John Wiley & Sons.
Gaya Chicago
Schwab, Glenn O..
Soil and water conservation engineering.
text
New York:
John Wiley & Sons,
1981.
.
Gaya MLA
Schwab, Glenn O..
Soil and water conservation engineering.
text
New York:
John Wiley & Sons,
1981.
.
Gaya Turabian
Schwab, Glenn O..
Soil and water conservation engineering.
text
New York:
John Wiley & Sons,
1981.
.