Gaya APA
Pland and soil water relationship. (1949).
New York:
Mc Graw Hill.
Gaya Chicago
Pland and soil water relationship.
.
New York:
Mc Graw Hill,
1949.
Buku.
Gaya MLA
Pland and soil water relationship.
.
New York:
Mc Graw Hill,
1949.
Buku.
Gaya Turabian
Pland and soil water relationship.
New York:
Mc Graw Hill,
1949.
Buku.