Vásconez Narváez, M. L. Will rogers: Native american cowboy, philosopher, and presidential advisor.
Čikaški stil citiranja (17. izdanje)Vásconez Narváez, María Lorena. Will Rogers: Native American Cowboy, Philosopher, and Presidential Advisor.
MLA način citiranja (8. izdanje)Vásconez Narváez, María Lorena. Will Rogers: Native American Cowboy, Philosopher, and Presidential Advisor.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.