Quebral, F. C. (1988). What one should know about plant diseases. College of Agriculture, University of the Philippines at Los Banos.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रQuebral, Florendo C. What One Should Know About Plant Diseases. College, Laguna: College of Agriculture, University of the Philippines at Los Banos, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रQuebral, Florendo C. What One Should Know About Plant Diseases. College of Agriculture, University of the Philippines at Los Banos, 1988.
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