Παραπομπή APA

Kendal, S., & Creen, M. (2007). Introduction to knowledge engineering. Springer.

Παραπομπή Chicago Style

Kendal, Simon, και Malcom Creen. Introduction to Knowledge Engineering. New Delhi: Springer, 2007.

Παραπομπή MLA

Kendal, Simon, και Malcom Creen. Introduction to Knowledge Engineering. Springer, 2007.