APA Style
Usman Nasution,Ir.. (1988).
Buletin Pertanian Volume 7 Nomor 3 Nopember-Desember 1988 (3).
Medan:
Fakultas Pertanian UISU.
Chicago Style
Usman Nasution,Ir..
Buletin Pertanian Volume 7 Nomor 3 Nopember-Desember 1988.
3
Medan:
Fakultas Pertanian UISU,
1988.
Hard Copy.
MLA Style
Usman Nasution,Ir..
Buletin Pertanian Volume 7 Nomor 3 Nopember-Desember 1988.
3
Medan:
Fakultas Pertanian UISU,
1988.
Hard Copy.
Turabian Style
Usman Nasution,Ir..
Buletin Pertanian Volume 7 Nomor 3 Nopember-Desember 1988.
3
Medan:
Fakultas Pertanian UISU,
1988.
Hard Copy.