APA استشهاد

Mantell, L. H., & Francis P. Sing. (1972). Economics for buisness decision. McGraw-Hill.

استشهاد بنمط شيكاغو

Mantell, Leroy H., و Francis P. Sing. Economics for Buisness Decision. New York: McGraw-Hill, 1972.

MLA استشهاد

Mantell, Leroy H., و Francis P. Sing. Economics for Buisness Decision. McGraw-Hill, 1972.