APA استشهاد

Piegl, L. A. (1993). Fundamental developments of computer aided geometric modeling.

استشهاد بنمط شيكاغو

Piegl, Les A. Fundamental Developments of Computer Aided Geometric Modeling. London, Academic Press, 1993.

MLA استشهاد

Piegl, Les A. Fundamental Developments of Computer Aided Geometric Modeling. 1993.