Gaya APA

Freilich, G., Frederick, I, G. (). Algebraic methods in business, economics, and the social sciences: a short course . San: san Francisco: W.H. Freeman and Co.; 1977..

Gaya MLA

Freilich, Gerald., Frederick, I., Greenleaf,. "Algebraic methods in business, economics, and the social sciences: a short course". San: san Francisco: W.H. Freeman and Co.; 1977., . Text.