Glaser. The Law of Falling Bodies. University of Arkansas Press.
Čikaški stil citiranja (17. izdanje)Glaser. The Law of Falling Bodies. University of Arkansas Press.
MLA način citiranja (9. izdanje)Glaser. The Law of Falling Bodies. University of Arkansas Press.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.