Tom Nicolaas Ligthart. (1996). Development of earthworm burrow systems and the influence of earthworms on soil hydrology. Wageningen: Landbouwuniversitei te Wageningen.
Trích dẫn kiểu ChicagoTom Nicolaas Ligthart. Development of Earthworm Burrow Systems and the Influence of Earthworms On Soil Hydrology. Wageningen: Landbouwuniversitei te Wageningen, 1996.
Trích dẫn MLATom Nicolaas Ligthart. Development of Earthworm Burrow Systems and the Influence of Earthworms On Soil Hydrology. Wageningen: Landbouwuniversitei te Wageningen, 1996.
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