Thomas, S. E. (1965). Commerce: Its theory and practice. Cassell and company limited.
Cita Chicago (17th ed.)Thomas, S. Evelyn. Commerce: Its Theory and Practice. London: Cassell and company limited, 1965.
Cita MLA (9th ed.)Thomas, S. Evelyn. Commerce: Its Theory and Practice. Cassell and company limited, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.