Alexander, H. (1987). Formally-based tools and techniques for human-computer dialogues. E. Horwood ; Halsted Press [distributor].
Cita Chicago (17th ed.)Alexander, Heather. Formally-based Tools and Techniques for Human-computer Dialogues. Chichester, West Sussex, England : New York: E. Horwood ; Halsted Press [distributor], 1987.
Cita MLA (8th ed.)Alexander, Heather. Formally-based Tools and Techniques for Human-computer Dialogues. E. Horwood ; Halsted Press [distributor], 1987.
Atenció: Aquestes cites poden no estar 100% correctes.