Gaya APA

Dennis, A. et al (2009). System Analysis & Design An Object -Oriented A pproach with UML (5th edition). United States of America: John Wiley & Sons, Inc..

Gaya MLA

Dennis, Alan. et al. "System Analysis & Design An Object -Oriented A pproach with UML". 5th edition United States of America: John Wiley & Sons, Inc., 2009. Text.