Tatsch, J. H. (1980). Coal deposits: Origin, evolution, and present characteristics : an analysis of the present coal deposits in terms of the geometrical, mechanical, thermal, and chemical aspects of the Earth's behavior during the past 4.6 billion years. Tatsch Associates.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Tatsch, J. H. Coal Deposits: Origin, Evolution, and Present Characteristics : An Analysis of the Present Coal Deposits in Terms of the Geometrical, Mechanical, Thermal, and Chemical Aspects of the Earth's Behavior During the Past 4.6 Billion Years. Sudbury, Mass: Tatsch Associates, 1980.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Tatsch, J. H. Coal Deposits: Origin, Evolution, and Present Characteristics : An Analysis of the Present Coal Deposits in Terms of the Geometrical, Mechanical, Thermal, and Chemical Aspects of the Earth's Behavior During the Past 4.6 Billion Years. Tatsch Associates, 1980.