Andrews, P. W. S., & Brunner, E. (1975). Studies in pricing. Macmillan.
Cita Chicago (17th ed.)Andrews, Philip Walter Sawford, i Elizabeth Brunner. Studies in Pricing. London: Macmillan, 1975.
Cita MLA (9th ed.)Andrews, Philip Walter Sawford, i Elizabeth Brunner. Studies in Pricing. Macmillan, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.