APA

Hempel E. H., . (1945). Top-management planning: methods needed for postwar operation of industrial companies. New York: Harper.

Chicago

Hempel Edward Henry, . 1945. Top-management planning: methods needed for postwar operation of industrial companies. New York: Harper.

Harvard

Hempel E. H., . (1945). Top-management planning: methods needed for postwar operation of industrial companies. New York: Harper.

MLA

Hempel Edward Henry, . Top-management planning: methods needed for postwar operation of industrial companies. New York: Harper. 1945.