Cita APA (7th ed.)

Marris, R. (1958). Economic arithmetic. Macmillan.

Cita Chicago (17th ed.)

Marris, Robin. Economic Arithmetic. London: Macmillan, 1958.

Cita MLA (9th ed.)

Marris, Robin. Economic Arithmetic. Macmillan, 1958.

Atenció: Aquestes cites poden no estar 100% correctes.