APA

Ullmann John E, . (1976). Schaum's outline of theory and problems of quantitative methods in management. New York: McGraw-Hill.

Chicago

Ullmann John E, . 1976. Schaum's outline of theory and problems of quantitative methods in management. New York: McGraw-Hill.

Harvard

Ullmann John E, . (1976). Schaum's outline of theory and problems of quantitative methods in management. New York: McGraw-Hill.

MLA

Ullmann John E, . Schaum's outline of theory and problems of quantitative methods in management. New York: McGraw-Hill. 1976.