(1989). Metalliferous black shales and related ore deposits: Program and abstracts ; 1988 meeting of the United States Working Group of International Geological Correlation Progam Project 254. United States Gov. Print. Off.
Chicago-Zitierstil (17. Ausg.)Metalliferous Black Shales and Related Ore Deposits: Program and Abstracts ; 1988 Meeting of the United States Working Group of International Geological Correlation Progam Project 254. Washington: United States Gov. Print. Off, 1989.
MLA-Zitierstil (9. Ausg.)Metalliferous Black Shales and Related Ore Deposits: Program and Abstracts ; 1988 Meeting of the United States Working Group of International Geological Correlation Progam Project 254. United States Gov. Print. Off, 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.