Gaya APA
Catapult, I., Sampurna, . (1997).
Microsoft project for windows 95 step by step .
Jakarta:
PT.Elex Media Komputindo.
Gaya MLA
Catapult, Inc.., Sampurna, .
"Microsoft project for windows 95 step by step".
Jakarta:
PT.Elex Media Komputindo,
1997.
Printed Book.