Lua APA (7ú heag.)
Goodman,Richard E. (2010). Introduction to rock mechanics (2nd ed.). Wiley India.
Lua i Stíl Chicago (17ú heag.)
Goodman,Richard E. Introduction to Rock Mechanics. 2nd ed. New Delhi: Wiley India, 2010.
Lua MLA (9ú heag.)
Goodman,Richard E. Introduction to Rock Mechanics. 2nd ed. Wiley India, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.