Rogers, H. J. (1906). Physics ; Chemistry ; Astronomy ; Sciences of the Earth. Houghton, Mifflin and Co..
Lua i Stíl Chicago (17ú heag.)Rogers, Howard J. Physics ; Chemistry ; Astronomy ; Sciences of the Earth. Boston ; New York: Houghton, Mifflin and Co., 1906.
Lua MLA (8ú heag.)Rogers, Howard J. Physics ; Chemistry ; Astronomy ; Sciences of the Earth. Houghton, Mifflin and Co., 1906.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.