Foster, R. J. (1983). General geology. Charles E. Merrill.
Chicagoスタイル(17版)引用形式Foster, Robert J. General Geology. Columbus: Charles E. Merrill, 1983.
MLA(9版)引用形式Foster, Robert J. General Geology. Charles E. Merrill, 1983.
警告: この引用は必ずしも正確ではありません.
Foster, R. J. (1983). General geology. Charles E. Merrill.
Chicagoスタイル(17版)引用形式Foster, Robert J. General Geology. Columbus: Charles E. Merrill, 1983.
MLA(9版)引用形式Foster, Robert J. General Geology. Charles E. Merrill, 1983.