Cita APA

Colwell, J. D. (1977). National soil fertility project. CSIRO Division of Soils in collaboration with state departments of agriculture and the fertilizer industry.

Citación estilo Chicago

Colwell, J. D. National Soil Fertility Project. Adelaide: CSIRO Division of Soils in collaboration with state departments of agriculture and the fertilizer industry, 1977.

Cita MLA

Colwell, J. D. National Soil Fertility Project. Adelaide: CSIRO Division of Soils in collaboration with state departments of agriculture and the fertilizer industry, 1977.