Squires, V. R., & Sidahmed, A. E. (1998). Drylands: Sustainable use of rangelands into the twenty-first century. IFAD.
Cita Chicago (17th ed.)Squires, V. R., i Ahmed E. Sidahmed. Drylands: Sustainable Use of Rangelands into the Twenty-first Century. Rome, Italy: IFAD, 1998.
Cita MLA (8th ed.)Squires, V. R., i Ahmed E. Sidahmed. Drylands: Sustainable Use of Rangelands into the Twenty-first Century. IFAD, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.