Παραπομπή APA

John, K. (1996). Engineering graphics (8th ed.). Jet Publications.

Παραπομπή Chicago Style

John, K.C. Engineering Graphics. 8th ed. Thrissur: Jet Publications, 1996.

Παραπομπή MLA

John, K.C. Engineering Graphics. 8th ed. Jet Publications, 1996.