Παραπομπή APA

Penna, M. A. (1986). Projective geometry and its applications to computer graphics. Prentice-Hall.

Παραπομπή Chicago Style

Penna, Michael A. Projective Geometry and Its Applications to Computer Graphics. Englewood Cliffs, N.J.: Prentice-Hall, 1986.

Παραπομπή MLA

Penna, Michael A. Projective Geometry and Its Applications to Computer Graphics. Prentice-Hall, 1986.