Cita APA (7a ed.)

Hubbard, R. G., & O'Brien, A. P. G. (2019). Essentials of economics (xxviii, 734 p.). Melbourne, VIC : Pearson Australia.

Cita Chicago Style (17a ed.)

Hubbard, R. Glenn, y Anthony Patrick; Garnett O'Brien. Essentials of Economics. xxviii, 734 p. Australia: Melbourne, VIC : Pearson Australia, 2019.

Cita MLA (9a ed.)

Hubbard, R. Glenn, y Anthony Patrick; Garnett O'Brien. Essentials of Economics. xxviii, 734 p. Melbourne, VIC : Pearson Australia, 2019.