Salmon, S. C., & Santos, I. S. (1961). Principles and practices of agronomic research. Plant Breeding Division, College of Agriculture, University of the Philippines.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSalmon, Samuel C., और Ibarra S. Santos. Principles and Practices of Agronomic Research. [Los Banos, Laguna]: Plant Breeding Division, College of Agriculture, University of the Philippines, 1961.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSalmon, Samuel C., और Ibarra S. Santos. Principles and Practices of Agronomic Research. Plant Breeding Division, College of Agriculture, University of the Philippines, 1961.
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