APA-viite (7. p.)

Crookes, D. (1988). Introduction to programming in Prolog. Prentice Hall.

Chicago-viite (17. p.)

Crookes, Danny. Introduction to Programming in Prolog. New York: Prentice Hall, 1988.

MLA-viite (9. p.)

Crookes, Danny. Introduction to Programming in Prolog. Prentice Hall, 1988.