Cita APA (7a ed.)

Thomas, R. E. (1983). Business policy (2nd ed.). Philip Allan.

Cita Chicago Style (17a ed.)

Thomas, R. E. Business Policy. 2nd ed. Oxford: Philip Allan, 1983.

Cita MLA (9a ed.)

Thomas, R. E. Business Policy. 2nd ed. Philip Allan, 1983.