APA Style
Tampubolon, Robert. (2004).
Risk management .
Jakarta:
Elex Media Komputindo.
Chicago Style
Tampubolon, Robert.
Risk management.
Jakarta:
Elex Media Komputindo,
2004.
Printed Material.
MLA Style
Tampubolon, Robert.
Risk management.
Jakarta:
Elex Media Komputindo,
2004.
Printed Material.
Turabian Style
Tampubolon, Robert.
Risk management.
Jakarta:
Elex Media Komputindo,
2004.
Printed Material.