Quebral, Florendo C. (1999). Plant pest identification manual. Dept. of Plant Pathology, CA. UPLB.
Cita Chicago (17th ed.)Quebral, Florendo C. Plant Pest Identification Manual. Los Banos, Laguna: Dept. of Plant Pathology, CA. UPLB, 1999.
Cita MLA (9th ed.)Quebral, Florendo C. Plant Pest Identification Manual. Dept. of Plant Pathology, CA. UPLB, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.