Deismireacht APA

Greene, R. P. (1980). Future coal prospects: Country and regional assessments. Cambridge: Ballinger Publishing.

Trích dẫn kiểu Chicago

Greene, Robert P. Future Coal Prospects: Country and Regional Assessments. Cambridge: Ballinger Publishing, 1980.

Deismireacht MLA

Greene, Robert P. Future Coal Prospects: Country and Regional Assessments. Cambridge: Ballinger Publishing, 1980.

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