APA (7th ed.) Citation

CATAPULT. (1997). Microsoft exchange step by step. Elex Media Komputindo.

Chicago Style (17th ed.) Citation

CATAPULT. Microsoft Exchange Step by Step. Jakarta: Elex Media Komputindo, 1997.

MLA (9th ed.) Citation

CATAPULT. Microsoft Exchange Step by Step. Elex Media Komputindo, 1997.