Gaya APA
Gershuny, G. (2011).
Compost, Vermicompost and Compost Tea: Feeding the Soil on the Organic Farm .
Vermont:
Chelsea Green.
Gaya MLA
Gershuny, Grace.
"Compost, Vermicompost and Compost Tea: Feeding the Soil on the Organic Farm".
Vermont:
Chelsea Green,
2011.
Elektronik/Digital.