Mantell, L. H., & Francis P. Sing. (1972). Economics for buisness decision. McGraw-Hill.
Chicago Edition CitationMantell, Leroy H., i Francis P. Sing. Economics for Buisness Decision. New York: McGraw-Hill, 1972.
Cita MLAMantell, Leroy H., i Francis P. Sing. Economics for Buisness Decision. McGraw-Hill, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.