APA(7版)引用形式
Johnson, R. B., & Degraff, J. V. (1988). Principles of Engineering Geology. John Wiley & Sons.
Chicagoスタイル(17版)引用形式
Johnson, Robert B., , Jerome V. Degraff. Principles of Engineering Geology. New Delhi: John Wiley & Sons, 1988.
MLA(9版)引用形式
Johnson, Robert B., , Jerome V. Degraff. Principles of Engineering Geology. John Wiley & Sons, 1988.
警告: この引用は必ずしも正確ではありません.