APA Style
Witkowski, Edward, Wells, Arnold. (1979).
The economics of agricultural production .
California:
New York: Alfred Publishing, 1976.
Chicago Style
Witkowski, Edward, Wells, Arnold.
The economics of agricultural production.
California:
New York: Alfred Publishing, 1976,
1979.
Buku Teks.
MLA Style
Witkowski, Edward, Wells, Arnold.
The economics of agricultural production.
California:
New York: Alfred Publishing, 1976,
1979.
Buku Teks.
Turabian Style
Witkowski, Edward, Wells, Arnold.
The economics of agricultural production.
California:
New York: Alfred Publishing, 1976,
1979.
Buku Teks.