एपीए उद्धरण

van de Ven, G. (1996). A mathematical approach to comparing environmental and economic goals in dairy farming on sandy soils in the Netherlands. Wageningen: Landbouwuniversiteit te Wageningen.

शिकागो स्टाइल उद्धरण

van de Ven, G.W.J. A Mathematical Approach to Comparing Environmental and Economic Goals in Dairy Farming On Sandy Soils in the Netherlands. Wageningen: Landbouwuniversiteit te Wageningen, 1996.

एमएलए उद्धरण

van de Ven, G.W.J. A Mathematical Approach to Comparing Environmental and Economic Goals in Dairy Farming On Sandy Soils in the Netherlands. Wageningen: Landbouwuniversiteit te Wageningen, 1996.