Suchman, J. R. (1968). Developing inquiry in earth science. Science Research Associate.
Lua i Stíl Chicago (17ú heag.)Suchman, J. Richard. Developing Inquiry in Earth Science. Chicago: Science Research Associate, 1968.
Lua MLA (9ú heag.)Suchman, J. Richard. Developing Inquiry in Earth Science. Science Research Associate, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.