(2001). Guidelines and practices in evaluation and development of industrial minerals and offshore aggregates in Asia. United Nations.
Chicago-Zitierstil (17. Ausg.)Guidelines and Practices in Evaluation and Development of Industrial Minerals and Offshore Aggregates in Asia. New York: United Nations, 2001.
MLA-Zitierstil (9. Ausg.)Guidelines and Practices in Evaluation and Development of Industrial Minerals and Offshore Aggregates in Asia. United Nations, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.