Cita APA (7a ed.)

Bal, E. E., & Grune, D. (1994). Programming language essentials. Addison Wesley.

Cita Chicago Style (17a ed.)

Bal, Enri E., y Dick Grune. Programming Language Essentials. Wokingham [etc.]: Addison Wesley, 1994.

Cita MLA (9a ed.)

Bal, Enri E., y Dick Grune. Programming Language Essentials. Addison Wesley, 1994.