Cita APA

El-Swaify, S., Walker, T. S., & Virmani, S. M. (1984). Dryland management alternatives and research needs for alfisols in the semi-arid tropics. ICRISAT.

Citación estilo Chicago

El-Swaify, S.A., T. S. Walker, and S. M. Virmani. Dryland Management Alternatives and Research Needs for Alfisols in the Semi-arid Tropics. Patancheru: ICRISAT, 1984.

Cita MLA

El-Swaify, S.A., T. S. Walker, and S. M. Virmani. Dryland Management Alternatives and Research Needs for Alfisols in the Semi-arid Tropics. Patancheru: ICRISAT, 1984.