Cita APA (7th ed.)

Ignar, S., & Grygoruk, M. (2015). Wetlands and Water Framework Directive. Springer Nature.

Cita Chicago (17th ed.)

Ignar, Stefan, i Mateusz Grygoruk. Wetlands and Water Framework Directive. Cham: Springer Nature, 2015.

Cita MLA (9th ed.)

Ignar, Stefan, i Mateusz Grygoruk. Wetlands and Water Framework Directive. Springer Nature, 2015.