Steve Jobs : the genius who changed our world
e Home Entertainment, Inc, 2011
 Buku Referensi
Davidson, Bill
President Kennedy selects six brave presidents
Harper & Row, 1961
 Buku Teks
Stevenson, Augusta
George Washington : boy Leader
Bobbs-Merrill, 1959
 Buku Teks
Simmons, James C.
Americans
Harmony Books, 1990
 Buku Teks
Shetterly, Margot Lee
Hidden figures: the untold story of the African American women who helped win the space race
An imprint of HarperCollins , 2016
 Buku Teks SO