Lua APA (7ú heag.)
Draycott, A. P., & Christenson, D. R. (2003). Nutrients for sugar beet production: Soil-plant relationships. CABI Pub..
Lua i Stíl Chicago (17ú heag.)
Draycott, A. Philip, agus Donald R. Christenson. Nutrients for Sugar Beet Production: Soil-plant Relationships. Oxon, UK ; Cambridge, MA: CABI Pub., 2003.
Lua MLA (9ú heag.)
Draycott, A. Philip, agus Donald R. Christenson. Nutrients for Sugar Beet Production: Soil-plant Relationships. CABI Pub., 2003.
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