Heller, P. (2005). Complete Java 2 certification: Study guide. Alameda, Calif: Sybex.
Trích dẫn kiểu ChicagoHeller, Phili. Complete Java 2 Certification: Study Guide. Alameda, Calif: Sybex, 2005.
Deismireacht MLAHeller, Phili. Complete Java 2 Certification: Study Guide. Alameda, Calif: Sybex, 2005.
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