Cita APA (7th ed.)

Osborne. (2013). Reasonably Simple Economics (1.). Apress.

Cita Chicago (17th ed.)

Osborne. Reasonably Simple Economics. 1. Apress, 2013.

Cita MLA (8th ed.)

Osborne. Reasonably Simple Economics. 1. Apress, 2013.

Atenció: Aquestes cites poden no estar 100% correctes.