Pit & quarry handbook and buyers guide for the nonmetallic mineral industries. Pit and Quarry Publications, Inc. [etc.].
Chicago-viite (17. p.)Pit & Quarry Handbook and Buyers Guide for the Nonmetallic Mineral Industries. Chicago: Pit and Quarry Publications, Inc. [etc.].
MLA-viite (8. p.)Pit & Quarry Handbook and Buyers Guide for the Nonmetallic Mineral Industries. Pit and Quarry Publications, Inc. [etc.].
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