APA

Schell E. H., . (1957). Technique of excutive control. New York: McGraw-Hill.

Chicago

Schell Erwin Haskell, . 1957. Technique of excutive control. New York: McGraw-Hill.

Harvard

Schell E. H., . (1957). Technique of excutive control. New York: McGraw-Hill.

MLA

Schell Erwin Haskell, . Technique of excutive control. New York: McGraw-Hill. 1957.