Thomas, D. J. (1980). A first course in economics (1st ed., repr.). Bell & Hyman.
Cita Chicago Style (17a ed.)Thomas, D. J. A First Course in Economics. 1st ed., repr. London: Bell & Hyman, 1980.
Cita MLA (8a ed.)Thomas, D. J. A First Course in Economics. 1st ed., repr. Bell & Hyman, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.