Greene, R. P. (1980). Future coal prospects: Country and regional assessments. Cambridge: Ballinger Publishing.
シカゴスタイル引用形Greene, Robert P. Future Coal Prospects: Country and Regional Assessments. Cambridge: Ballinger Publishing, 1980.
MLA引用形式Greene, Robert P. Future Coal Prospects: Country and Regional Assessments. Cambridge: Ballinger Publishing, 1980.
警告: この引用は必ずしも正確ではありません.