Geological Survey of Great Britain, Caldwell, W., Carruthers, R. G., Wilson, J. S. G., Cadell, H. M., & Steuart, D. R. (1912). The oil-shales of the Lothians: Pt. I. The geology of the oil-shale fields, by R. G. Carruthers, based on the work of H. M. Cadell and J. S. Grant Wilson. pt. II. Methods of working the oil-shales, by W. Caldwell. pt. III. The chemistry of the oil-shales, by D. R. Steuart (2nd ed.). H. M. Stationery Off..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGeological Survey of Great Britain, W. Caldwell, R. G. Carruthers, J. S. G. Wilson, H. M. Cadell, और D. R. Steuart. The Oil-shales of the Lothians: Pt. I. The Geology of the Oil-shale Fields, by R. G. Carruthers, Based on the Work of H. M. Cadell and J. S. Grant Wilson. Pt. II. Methods of Working the Oil-shales, by W. Caldwell. Pt. III. The Chemistry of the Oil-shales, by D. R. Steuart. 2nd ed. Edinburgh: H. M. Stationery Off., 1912.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGeological Survey of Great Britain, et al. The Oil-shales of the Lothians: Pt. I. The Geology of the Oil-shale Fields, by R. G. Carruthers, Based on the Work of H. M. Cadell and J. S. Grant Wilson. Pt. II. Methods of Working the Oil-shales, by W. Caldwell. Pt. III. The Chemistry of the Oil-shales, by D. R. Steuart. 2nd ed. H. M. Stationery Off., 1912.