Cita APA (7a ed.)

Heaton,D.T. (1991). Commercial law: Text and seminar workbook. Prentice Hall.

Cita Chicago Style (17a ed.)

Heaton,D.T. Commercial Law: Text and Seminar Workbook. New York: Prentice Hall, 1991.

Cita MLA (9a ed.)

Heaton,D.T. Commercial Law: Text and Seminar Workbook. Prentice Hall, 1991.