Citazione APA

Chellew, H. (1920). Human and industrial efficiency. G. P. Putnam's Sons.

Stile di citazione Chicago

Chellew, Henry. Human and Industrial Efficiency. New York, London: G. P. Putnam's Sons, 1920.

Citazione MLA

Chellew, Henry. Human and Industrial Efficiency. G. P. Putnam's Sons, 1920.