APA Style
Butler, M.D.. (1955).
Conserving soil .
New Jersey:
D. Van Nostrand Company.
Chicago Style
Butler, M.D..
Conserving soil.
New Jersey:
D. Van Nostrand Company,
1955.
Buku Teks.
MLA Style
Butler, M.D..
Conserving soil.
New Jersey:
D. Van Nostrand Company,
1955.
Buku Teks.
Turabian Style
Butler, M.D..
Conserving soil.
New Jersey:
D. Van Nostrand Company,
1955.
Buku Teks.