Παραπομπή σε μορφή APA (7η εκδ.)
Meeting on the soil as a strategic resource: degradation processes and conservation measures (1995 : Canary Islands, Spain), Espana. Universidad de la Laguna. Departamento de Edafologia y Geologia, European Society for Soil Conservation (ESSC), [s.n.], Chavez Vargas G., Padron Padron P., & Salguero Tejedor M. The soil as a strategic resource: Degradation processes and conservation measures. [s.n.].
Παραπομπή σε μορφή Chicago (17η εκδ.)
Meeting on the soil as a strategic resource: degradation processes and conservation measures (1995 : Canary Islands, Spain), Espana. Universidad de la Laguna. Departamento de Edafologia y Geologia, European Society for Soil Conservation (ESSC), [s.n.], Chavez Vargas G., Padron Padron P., και Salguero Tejedor M. The Soil as a Strategic Resource: Degradation Processes and Conservation Measures. [s.n.].
Παραπομπή σε μορφή MLA (9th εκδ.)
Meeting on the soil as a strategic resource: degradation processes and conservation measures (1995 : Canary Islands, Spain), et al. The Soil as a Strategic Resource: Degradation Processes and Conservation Measures. [s.n.].
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