Roberts, J. L. (1982). Introduction to geological maps and structures. Pergamon Press.
Chicagoスタイル(17版)引用形式Roberts, John Lenox. Introduction to Geological Maps and Structures. Oxford New York: Pergamon Press, 1982.
MLA(9版)引用形式Roberts, John Lenox. Introduction to Geological Maps and Structures. Pergamon Press, 1982.
警告: この引用は必ずしも正確ではありません.