Citazione Stile APA (7a Edizione)

Pitrat, J. (1988). An artificial intelligence approach to understanding natural language. North Oxford Academic.

Citazione stile Chigago Style (17a edizione)

Pitrat, J. An Artificial Intelligence Approach to Understanding Natural Language. Londom: North Oxford Academic, 1988.

Citatione MLA (9a ed.)

Pitrat, J. An Artificial Intelligence Approach to Understanding Natural Language. North Oxford Academic, 1988.