APA Style
manullang, m. (1994).
management personalia .
medan:
balai aksara.
Chicago Style
manullang, m.
management personalia.
medan:
balai aksara,
1994.
Text.
MLA Style
manullang, m.
management personalia.
medan:
balai aksara,
1994.
Text.
Turabian Style
manullang, m.
management personalia.
medan:
balai aksara,
1994.
Print.