Henderson, J. M. (1958). The Efficiency of the Coal Industry: An Application of Linear Programming. Harvard University Press.
Chicago (17e ed.) BronvermeldingHenderson, James M. The Efficiency of the Coal Industry: An Application of Linear Programming. Cambridge: Harvard University Press, 1958.
MLA (9e ed.) BronvermeldingHenderson, James M. The Efficiency of the Coal Industry: An Application of Linear Programming. Harvard University Press, 1958.