(1986). State of the art: Nonmetallic minerals : fertilizer research. Philippine Council for Agriculture and Resources Research and Development.
Chicago Style (17th ed.) CitationState of the Art: Nonmetallic Minerals : Fertilizer Research. Los Banos, Laguna: Philippine Council for Agriculture and Resources Research and Development, 1986.
MLA (9th ed.) CitationState of the Art: Nonmetallic Minerals : Fertilizer Research. Philippine Council for Agriculture and Resources Research and Development, 1986.
Warning: These citations may not always be 100% accurate.