Gibson, W., & Wedd, C. B. (1913). The geology of the northern part of the Derbyshire coalfield and bordering tracts. H.M.S.O..
Citación estilo ChicagoGibson, Walcot, and C. B. Wedd. The Geology of the Northern Part of the Derbyshire Coalfield and Bordering Tracts. London: H.M.S.O., 1913.
Cita MLAGibson, Walcot, and C. B. Wedd. The Geology of the Northern Part of the Derbyshire Coalfield and Bordering Tracts. H.M.S.O., 1913.
Warning: These citations may not always be 100% accurate.