APA Citatie

John , K., & Varghese, P. (2004). Machine drawing (15th ed.). V.I.P. Publishers.

Chicago Style citaat

John , K.C, en P.I Varghese. Machine Drawing. 15th ed. Thrissur: V.I.P. Publishers, 2004.

MLA citatie

John , K.C, en P.I Varghese. Machine Drawing. 15th ed. V.I.P. Publishers, 2004.