Thomas, S. E. (1965). Commerce: Its theory and practice. Cassell and company limited.
Citazione stile Chigago Style (17a edizione)Thomas, S. Evelyn. Commerce: Its Theory and Practice. London: Cassell and company limited, 1965.
Citatione MLA (9a ed.)Thomas, S. Evelyn. Commerce: Its Theory and Practice. Cassell and company limited, 1965.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.