HASTINGS, P. G. (1968). Introduction to business.: Paul G Hastings. McGraw-Hill.
Cita Chicago (17th ed.)HASTINGS, Paul G. Introduction to Business.: Paul G Hastings. New York: McGraw-Hill, 1968.
Cita MLA (9th ed.)HASTINGS, Paul G. Introduction to Business.: Paul G Hastings. McGraw-Hill, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.