APA
Heller P. [. a., . (1997). Java 1.1 developer's handbook. BPB, New Delhi: .
Chicago
Heller Philip [et al], . 1997. Java 1.1 developer's handbook. BPB, New Delhi: .
Harvard
Heller P. [. a., . (1997). Java 1.1 developer's handbook. BPB, New Delhi: .
MLA
Heller Philip [et al], . Java 1.1 developer's handbook. BPB, New Delhi: . 1997.