Cita APA (7th ed.)

Warson, R. (1976). Commerce. Hodders & Stoughton.

Cita Chicago (17th ed.)

Warson, Ronald. Commerce. London: Hodders & Stoughton, 1976.

Cita MLA (9th ed.)

Warson, Ronald. Commerce. Hodders & Stoughton, 1976.