APA Style
SIMANJUNTAK, Herpinus. (1989).
English For Secretaries .
Jakarta:
Kesaint Blanc.
Chicago Style
SIMANJUNTAK, Herpinus.
English For Secretaries.
Jakarta:
Kesaint Blanc,
1989.
Text.
MLA Style
SIMANJUNTAK, Herpinus.
English For Secretaries.
Jakarta:
Kesaint Blanc,
1989.
Text.
Turabian Style
SIMANJUNTAK, Herpinus.
English For Secretaries.
Jakarta:
Kesaint Blanc,
1989.
Print.