Andy, P., Bryan, L., & Stover, K. (2021). Usborne Economics for Beginners. Usborne.
Cita Chicago (17th ed.)Andy, Prentice, Lara Bryan, i Kellan Stover. Usborne Economics for Beginners. London: Usborne, 2021.
Cita MLA (9th ed.)Andy, Prentice, et al. Usborne Economics for Beginners. Usborne, 2021.
Atenció: Aquestes cites poden no estar 100% correctes.