Cita APA (7a ed.)

Tõugu, E. (1988). Knowledge-based programming. Turing Institute Press : Addison-Wesley Publishing Company.

Cita Chicago Style (17a ed.)

Tõugu, Enn. Knowledge-based Programming. Workingham [etc.]: Turing Institute Press : Addison-Wesley Publishing Company, 1988.

Cita MLA (9a ed.)

Tõugu, Enn. Knowledge-based Programming. Turing Institute Press : Addison-Wesley Publishing Company, 1988.