APA Style
Gregory, G. Robinson. (1972).
Forest Resource Economics .
Indonesia:
John Wiley & Sons.
Chicago Style
Gregory, G. Robinson.
Forest Resource Economics.
Indonesia:
John Wiley & Sons,
1972.
Buku Teks.
MLA Style
Gregory, G. Robinson.
Forest Resource Economics.
Indonesia:
John Wiley & Sons,
1972.
Buku Teks.
Turabian Style
Gregory, G. Robinson.
Forest Resource Economics.
Indonesia:
John Wiley & Sons,
1972.
Buku Teks.