Fry Fred L. (1998). Business: An intergrative framework (ed.). McGraw-hill.
Cita Chicago (17th ed.)Fry Fred L. Business: An Intergrative Framework. ed. Boston: McGraw-hill, 1998.
Cita MLA (9th ed.)Fry Fred L. Business: An Intergrative Framework. ed. McGraw-hill, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.