Konvalina, P., & Konvalina, P. (2012). Organic Farming and Food Production. IntechOpen.
Cita Chicago Style (17a ed.)Konvalina, Petr, y Petr Konvalina. Organic Farming and Food Production. Rijeka, Croatia: IntechOpen, 2012.
Cita MLA (9a ed.)Konvalina, Petr, y Petr Konvalina. Organic Farming and Food Production. IntechOpen, 2012.
Precaución: Estas citas no son 100% exactas.