Haddock, M. H. (1926). The location of mineral fields; modern procedure in the investigation of mineral areas and the subsequent verification of their extent, etc. C. Lockwood and son.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Haddock, M. H. The Location of Mineral Fields; Modern Procedure in the Investigation of Mineral Areas and the Subsequent Verification of Their Extent, Etc. [London]: C. Lockwood and son, 1926.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Haddock, M. H. The Location of Mineral Fields; Modern Procedure in the Investigation of Mineral Areas and the Subsequent Verification of Their Extent, Etc. C. Lockwood and son, 1926.
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