Παραπομπή APA

George .O. Head, J. D. H. (1992). 1000 AutoCAD Tips & Tricks. Galgotia Publications.

Παραπομπή Chicago Style

George .O. Head, Jan Doster Head. 1000 AutoCAD Tips & Tricks. Galgotia Publications, 1992.

Παραπομπή MLA

George .O. Head, Jan Doster Head. 1000 AutoCAD Tips & Tricks. Galgotia Publications, 1992.