Cita APA (7a ed.)

Bolc, L. (1980). Natural language based computer systems. Carl Hanser.

Cita Chicago Style (17a ed.)

Bolc, Leonard. Natural Language Based Computer Systems. München: Carl Hanser, 1980.

Cita MLA (9a ed.)

Bolc, Leonard. Natural Language Based Computer Systems. Carl Hanser, 1980.