Fowler, A., Robbie, J. A., & Hardman, E. T. (1961). Geology of the country around Dungannon (one-inch geological sheet 35) (2nd ed. of explanatory memoir.). H.M.S.O..
Citace podle Chicago (17th ed.)Fowler, A., J. A. Robbie, a Edward T. Hardman. Geology of the Country Around Dungannon (one-inch Geological Sheet 35). 2nd ed. of explanatory memoir. Belfast: H.M.S.O., 1961.
Citace podle MLA (8th ed.)Fowler, A., et al. Geology of the Country Around Dungannon (one-inch Geological Sheet 35). 2nd ed. of explanatory memoir. H.M.S.O., 1961.
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