May, R. G., Mueller,Gernard G, & Willliams, T. H. (1975). New introduction to financial accounting. Prentice-Hall.

May, Robert G., Mueller,Gernard G, and Thomas H. Willliams. New Introduction to Financial Accounting. New joursey: Prentice-Hall, 1975.

May, Robert G., et al. New Introduction to Financial Accounting. Prentice-Hall, 1975.