APA Style
SIANTURI, H.S.D. (1993).
Budidaya kelapa sawit .
Medan:
USU.
Chicago Style
SIANTURI, H.S.D.
Budidaya kelapa sawit.
Medan:
USU,
1993.
Hard Copy.
MLA Style
SIANTURI, H.S.D.
Budidaya kelapa sawit.
Medan:
USU,
1993.
Hard Copy.
Turabian Style
SIANTURI, H.S.D.
Budidaya kelapa sawit.
Medan:
USU,
1993.
Hard Copy.