APA (7th ed.) Citation

Barros, J. P. (2013). From concrete to abstract: About teaching UML class diagrams to novice programmers.

Chicago Style (17th ed.) Citation

Barros, João Paulo. From Concrete to Abstract: About Teaching UML Class Diagrams to Novice Programmers. 2013.

MLA (8th ed.) Citation

Barros, João Paulo. From Concrete to Abstract: About Teaching UML Class Diagrams to Novice Programmers. 2013.

Warning: These citations may not always be 100% accurate.