Gaya APA

Schmidt, U, U., Traub, S. (2005). Advances in Public Economics: Utility, Choice and Welfare (1st ed). Boston, MA: Springer.

Gaya MLA

Schmidt, Ulrich, U.., Traub, Stefan.. "Advances in Public Economics: Utility, Choice and Welfare". 1st ed Boston, MA: Springer, 2005. E Book.