Pit & quarry handbook and buyers guide for the nonmetallic mineral industries. Pit and Quarry Publications, Inc. [etc.].
Lua i Stíl Chicago (17ú heag.)Pit & Quarry Handbook and Buyers Guide for the Nonmetallic Mineral Industries. Chicago: Pit and Quarry Publications, Inc. [etc.].
Lua MLA (8ú heag.)Pit & Quarry Handbook and Buyers Guide for the Nonmetallic Mineral Industries. Pit and Quarry Publications, Inc. [etc.].
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.