Kursten, M. (1993). Industrial minerals in the european market: Proceedings of the Sixth International Symposium, held in Hannover, Fed. Rep. of Germany, at the Federal Institute for Geosciences and Natural Resources October 15-17, 1991. E. Schweizerbart'sche Verlagsbuchhandlung (Nagele u. Obermiller).
Παραπομπή σε μορφή Chicago (17η εκδ.)Kursten, M. Industrial Minerals in the European Market: Proceedings of the Sixth International Symposium, Held in Hannover, Fed. Rep. of Germany, at the Federal Institute for Geosciences and Natural Resources October 15-17, 1991. Stuttgart: E. Schweizerbart'sche Verlagsbuchhandlung (Nagele u. Obermiller), 1993.
Παραπομπή σε μορφή MLA (8th εκδ.)Kursten, M. Industrial Minerals in the European Market: Proceedings of the Sixth International Symposium, Held in Hannover, Fed. Rep. of Germany, at the Federal Institute for Geosciences and Natural Resources October 15-17, 1991. E. Schweizerbart'sche Verlagsbuchhandlung (Nagele u. Obermiller), 1993.