Philippines (Republic) Bureau of Soil Conservation. Soil erosion. Office of Agricultural Information.
Citace podle Chicago (17th ed.)Philippines (Republic) Bureau of Soil Conservation. Soil Erosion. [Manila: Office of Agricultural Information.
Citace podle MLA (9th ed.)Philippines (Republic) Bureau of Soil Conservation. Soil Erosion. Office of Agricultural Information.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..