Wilcox, G. W., & Butler, C. H. 1. j. a. (1962). Industrial calculating devices. Holt, Rinehart and Winston.
Citazione stile Chigago Style (17a edizione)Wilcox, Glade W., e Charles Henry 1894- joint auth Butler. Industrial Calculating Devices. New York: Holt, Rinehart and Winston, 1962.
Citatione MLA (9a ed.)Wilcox, Glade W., e Charles Henry 1894- joint auth Butler. Industrial Calculating Devices. Holt, Rinehart and Winston, 1962.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.