Bureau of Soils. (1976). Laboratory procedures for soil analysis. PDAP/USAID.
Chicago Style (17th ed.) CitationBureau of Soils. Laboratory Procedures for Soil Analysis. Manila: PDAP/USAID, 1976.
MLA (9th ed.) CitationBureau of Soils. Laboratory Procedures for Soil Analysis. PDAP/USAID, 1976.
Warning: These citations may not always be 100% accurate.