Raby, W. L. (1978). The income tax and business decisions: An introductory tax text (4th ed.). Prentice Hall.

Raby, William L. The Income Tax and Business Decisions: An Introductory Tax Text. 4th ed. New Jersey: Prentice Hall, 1978.

Raby, William L. The Income Tax and Business Decisions: An Introductory Tax Text. 4th ed. Prentice Hall, 1978.