Gaya APA

Dennis, A. et al (2015). SYSTEMS ANALYSIS & DESIGN ; An Object-Oriented Approach with UML (Fifth Edition). United States of America: John Wiley & Sons, Inc..

Gaya MLA

Dennis, Alan. et al. "SYSTEMS ANALYSIS & DESIGN ; An Object-Oriented Approach with UML". Fifth Edition United States of America: John Wiley & Sons, Inc., 2015. eBook.