APA
Nato advanced research workshop on natural langyuage, Nato advanced research workshop on natural langyuage, . (1987). Natural language generation. Dordrecht: Martinus Nijhoff.
Chicago
Nato advanced research workshop on natural langyuage, Nato advanced research workshop on natural langyuage, . 1987. Natural language generation. Dordrecht: Martinus Nijhoff.
Harvard
Nato advanced research workshop on natural langyuage, Nato advanced research workshop on natural langyuage, . (1987). Natural language generation. Dordrecht: Martinus Nijhoff.
MLA
Nato advanced research workshop on natural langyuage, Nato advanced research workshop on natural langyuage, . Natural language generation. Dordrecht: Martinus Nijhoff. 1987.