APA Style
Oelhaf, Robert C.. (1978).
Organic Agriculture, Economic and Ecological Comparisons With Conventional Methods .
New York:
John Wiley & Sons.
Chicago Style
Oelhaf, Robert C..
Organic Agriculture, Economic and Ecological Comparisons With Conventional Methods.
New York:
John Wiley & Sons,
1978.
Buku Teks.
MLA Style
Oelhaf, Robert C..
Organic Agriculture, Economic and Ecological Comparisons With Conventional Methods.
New York:
John Wiley & Sons,
1978.
Buku Teks.
Turabian Style
Oelhaf, Robert C..
Organic Agriculture, Economic and Ecological Comparisons With Conventional Methods.
New York:
John Wiley & Sons,
1978.
Buku Teks.