Cita APA (7a ed.)

Bal, H. E., & Grune, D. (1994). Programming language essentials (1st print, repr. ed.). [S.n.].

Cita Chicago Style (17a ed.)

Bal, Henri E., y Dick Grune. Programming Language Essentials. 1st print, repr. ed. Wokingham: [S.n.], 1994.

Cita MLA (9a ed.)

Bal, Henri E., y Dick Grune. Programming Language Essentials. 1st print, repr. ed. [S.n.], 1994.