Blunden, J. (1985). Mineral resources and their management. Longman.
Chicago Style (17th ed.) CitationBlunden, John. Mineral Resources and Their Management. London: Longman, 1985.
ציטוט MLABlunden, John. Mineral Resources and Their Management. Longman, 1985.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.