Cita APA (7th ed.)

(1980). Case studies on desertification (Natural Resources Research XVIII). Unesco/UNEP/UNDP.

Cita Chicago (17th ed.)

Case Studies on Desertification (Natural Resources Research XVIII). Paris: Unesco/UNEP/UNDP, 1980.

Cita MLA (9th ed.)

Case Studies on Desertification (Natural Resources Research XVIII). Unesco/UNEP/UNDP, 1980.

Atenció: Aquestes cites poden no estar 100% correctes.