APA Style
Usman Nasution,Ir.. (1993).
Buletin Pertanian Volume 12 Nomor 3 Desember 1993 (4).
Medan:
Fakultas Pertanian UISU.
Chicago Style
Usman Nasution,Ir..
Buletin Pertanian Volume 12 Nomor 3 Desember 1993.
4
Medan:
Fakultas Pertanian UISU,
1993.
Hard Copy.
MLA Style
Usman Nasution,Ir..
Buletin Pertanian Volume 12 Nomor 3 Desember 1993.
4
Medan:
Fakultas Pertanian UISU,
1993.
Hard Copy.
Turabian Style
Usman Nasution,Ir..
Buletin Pertanian Volume 12 Nomor 3 Desember 1993.
4
Medan:
Fakultas Pertanian UISU,
1993.
Hard Copy.