Everts, J. W. (1990). Sensitive indicators of side-effects of pesticides on the epigeal fauna of arable land. Landbouwuniversiteit te Wageningen?.
Lua i Stíl Chicago (17ú heag.)Everts, James W. Sensitive Indicators of Side-effects of Pesticides on the Epigeal Fauna of Arable Land. [Wageningen: Landbouwuniversiteit te Wageningen?, 1990.
Lua MLA (8ú heag.)Everts, James W. Sensitive Indicators of Side-effects of Pesticides on the Epigeal Fauna of Arable Land. Landbouwuniversiteit te Wageningen?, 1990.
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