Timothy, D. H., Dowswell, C. R., & Harvey, P. H. (1988). Development and spread of improved maize varieties and hybrids in developing countries. Washington: AID.
Chicago Style CitationTimothy, David H., Christopher R. Dowswell, and Paul H. Harvey. Development and Spread of Improved Maize Varieties and Hybrids in Developing Countries. Washington: AID, 1988.
MLA CitationTimothy, David H., Christopher R. Dowswell, and Paul H. Harvey. Development and Spread of Improved Maize Varieties and Hybrids in Developing Countries. Washington: AID, 1988.
Warning: These citations may not always be 100% accurate.