APA

Naqvi S., Isur S., . (1989). A logic language for data and knowledge bases. New York: Computer science press.

Chicago

Naqvi Shamim, Isur Shalom, . 1989. A logic language for data and knowledge bases. New York: Computer science press.

Harvard

Naqvi S., Isur S., . (1989). A logic language for data and knowledge bases. New York: Computer science press.

MLA

Naqvi Shamim, Isur Shalom, . A logic language for data and knowledge bases. New York: Computer science press. 1989.