APA Style
HUTAHAEAN,E. (1990).
FUNGSI RIIL .
BANDUNG:
ITB.
Chicago Style
HUTAHAEAN,E.
FUNGSI RIIL.
BANDUNG:
ITB,
1990.
Text.
MLA Style
HUTAHAEAN,E.
FUNGSI RIIL.
BANDUNG:
ITB,
1990.
Text.
Turabian Style
HUTAHAEAN,E.
FUNGSI RIIL.
BANDUNG:
ITB,
1990.
Print.