MCCONNELL, D. S. (2021). The good earth: Introduction to earth science. McGraw Hill Education.
Lua i Stíl Chicago (17ú heag.)MCCONNELL, David Steer. The Good Earth: Introduction to Earth Science. McGraw Hill Education, 2021.
Lua MLA (9ú heag.)MCCONNELL, David Steer. The Good Earth: Introduction to Earth Science. McGraw Hill Education, 2021.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.