Gebelein, C. G. (1997). Chemistry and our world. WCB.
Lua i Stíl Chicago (17ú heag.)Gebelein, Charles G. Chemistry and Our World. Bogota: WCB, 1997.
Lua MLA (9ú heag.)Gebelein, Charles G. Chemistry and Our World. WCB, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.