Gaya APA

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

Gaya MLA

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