Cita APA (7a ed.)
Válek, J. Environmental Taxes as a Tool for Environmental Protection.
Cita Chicago Style (17a ed.)
Válek, Juraj. Environmental Taxes as a Tool for Environmental Protection.
Cita MLA (9a ed.)
Válek, Juraj. Environmental Taxes as a Tool for Environmental Protection.
Precaución: Estas citas no son 100% exactas.