Cita APA (7a ed.)

Gallagher, C., & Knight, W. (1973). Group technology (1a ed.). Butterworths & Co. Publishers.

Cita Chicago Style (17a ed.)

Gallagher, C.C, y W.A Knight. Group Technology. 1a ed. Londres: Butterworths & Co. Publishers, 1973.

Cita MLA (9a ed.)

Gallagher, C.C, y W.A Knight. Group Technology. 1a ed. Butterworths & Co. Publishers, 1973.