Cita APA (7a ed.)

Hubbard. (2019). Essentials Of Economics (6th ed.). Pearson.

Cita Chicago Style (17a ed.)

Hubbard. Essentials Of Economics. 6th ed. Newyork: Pearson, 2019.

Cita MLA (9a ed.)

Hubbard. Essentials Of Economics. 6th ed. Pearson, 2019.