Cita APA (7a ed.)

Cleal, D. M., & Heaton, N. O. (1988). Knowledge-based systems: Implications for human-computer interfaces. Ellis Horwood [etc.].

Cita Chicago Style (17a ed.)

Cleal, David Murray, y Nigel O. Heaton. Knowledge-based Systems: Implications for Human-computer Interfaces. Chichester [etc.]: Ellis Horwood [etc.], 1988.

Cita MLA (9a ed.)

Cleal, David Murray, y Nigel O. Heaton. Knowledge-based Systems: Implications for Human-computer Interfaces. Ellis Horwood [etc.], 1988.