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.
ציטוט MLATom Nicolaas Ligthart. Development of Earthworm Burrow Systems and the Influence of Earthworms On Soil Hydrology. Wageningen: Landbouwuniversitei te Wageningen, 1996.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.