Gaya APA

Walton, H, (. (2009). Letters to President Obama: American Share Their Hopes and Dreams with the First African-American President . New York: Skyhorse Publishing.

Gaya MLA

Walton, Hanes, (et.al). "Letters to President Obama: American Share Their Hopes and Dreams with the First African-American President". New York: Skyhorse Publishing, 2009. Buku Tercetak.