University of Texas. The University of Texas publication. University of Texas.
Čikaški stil citiranja (17. izdanje)University of Texas. The University of Texas Publication. Austin, Tex.: University of Texas.
MLA način citiranja (8. izdanje)University of Texas. The University of Texas Publication. University of Texas.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.