De Rance, C. E., & Etheridge, R. (1877). The superficial geology of the country adjoining the coasts of southwest Lancashire: Comprised in sheet 90, quarter sheet 91 S. W., parts of 89 N. W. and S. W., 79 N. E. and 91 S. E., of the 1 inch geological survey map of England and Wales. Longmans : Stanford.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)De Rance, C. E., و Robert Etheridge. The Superficial Geology of the Country Adjoining the Coasts of Southwest Lancashire: Comprised in Sheet 90, Quarter Sheet 91 S. W., Parts of 89 N. W. and S. W., 79 N. E. and 91 S. E., of the 1 Inch Geological Survey Map of England and Wales. London: Longmans : Stanford, 1877.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)De Rance, C. E., و Robert Etheridge. The Superficial Geology of the Country Adjoining the Coasts of Southwest Lancashire: Comprised in Sheet 90, Quarter Sheet 91 S. W., Parts of 89 N. W. and S. W., 79 N. E. and 91 S. E., of the 1 Inch Geological Survey Map of England and Wales. Longmans : Stanford, 1877.