Cita APA (7a ed.)

Heller, P., & Roberts, S. (2004). Complete Java 2 certification study guide: Study guide (4th ed.). Sybex.

Cita Chicago Style (17a ed.)

Heller, Philip, y Simon Roberts. Complete Java 2 Certification Study Guide: Study Guide. 4th ed. San Francisco [etc.]: Sybex, 2004.

Cita MLA (9a ed.)

Heller, Philip, y Simon Roberts. Complete Java 2 Certification Study Guide: Study Guide. 4th ed. Sybex, 2004.