APA ציטוט

Greenfield, H. I. (1966). Manpower and the growth of producer services. New York: Columbia University Press.

Trích dẫn kiểu Chicago

Greenfield, Harry I. Manpower and the Growth of Producer Services. New York: Columbia University Press, 1966.

ציטוט MLA

Greenfield, Harry I. Manpower and the Growth of Producer Services. New York: Columbia University Press, 1966.