APA
Smith, .Spoken Natural Language Dialog Systems : A Practical Approach. New York, 2020: Oxford University Press.
Chicago
Smith, .Spoken Natural Language Dialog Systems : A Practical Approach. New York, 2020: Oxford University Press.
Harvard
Smith, .Spoken Natural Language Dialog Systems : A Practical Approach. New York, 2020: Oxford University Press.
MLA
Smith, .New York, 2020: Oxford University Press. .