Cita APA (7a ed.)

II, W. B., & Block, W. E. (2013). Subjective preferences and alternative costs. Editura ASE Bucuresti.

Cita Chicago Style (17a ed.)

II, William Barnett, y Walter E. Block. Subjective Preferences and Alternative Costs. Editura ASE Bucuresti, 2013.

Cita MLA (8a ed.)

II, William Barnett, y Walter E. Block. Subjective Preferences and Alternative Costs. Editura ASE Bucuresti, 2013.