Cita APA (7th ed.)

Poplawski, D. A. (2002). Objects have class!: An introduction to programming with Java. McGraw-Hill.

Cita Chicago (17th ed.)

Poplawski, David A. Objects Have Class!: An Introduction to Programming with Java. Boston: McGraw-Hill, 2002.

Cita MLA (9th ed.)

Poplawski, David A. Objects Have Class!: An Introduction to Programming with Java. McGraw-Hill, 2002.