APA Style
Lal, Rattan. (1990).
Soil erosion in the tropics .
New York:
McGraw-Hill Book Company.
Chicago Style
Lal, Rattan.
Soil erosion in the tropics.
New York:
McGraw-Hill Book Company,
1990.
Buku Teks.
MLA Style
Lal, Rattan.
Soil erosion in the tropics.
New York:
McGraw-Hill Book Company,
1990.
Buku Teks.
Turabian Style
Lal, Rattan.
Soil erosion in the tropics.
New York:
McGraw-Hill Book Company,
1990.
Buku Teks.