Suchman, J. R. (1968). Concepts for geological inquiry: Idea book. Science Research Associates.
Lua i Stíl Chicago (17ú heag.)Suchman, J. Richard. Concepts for Geological Inquiry: Idea Book. Chicago: Science Research Associates, 1968.
Lua MLA (9ú heag.)Suchman, J. Richard. Concepts for Geological Inquiry: Idea Book. Science Research Associates, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.