Cita APA (7a ed.)

Xepapadeas, A. (1997). Advanced principles in environmental policy. Edward Elgar.

Cita Chicago Style (17a ed.)

Xepapadeas, Anastasios. Advanced Principles in Environmental Policy. Cheltenham [etc.]: Edward Elgar, 1997.

Cita MLA (9a ed.)

Xepapadeas, Anastasios. Advanced Principles in Environmental Policy. Edward Elgar, 1997.