Cita APA (7th ed.)

Sager, N. (1981). Natural language information processing: A computer grammar of English and its application. Addison-Wesley.

Cita Chicago (17th ed.)

Sager, Naomi. Natural Language Information Processing: A Computer Grammar of English and Its Application. Reading, Mass: Addison-Wesley, 1981.

Cita MLA (9th ed.)

Sager, Naomi. Natural Language Information Processing: A Computer Grammar of English and Its Application. Addison-Wesley, 1981.