Kennedy, John F
Evanston, 1964
Buku Teks
Polycarpus Swantoro
Kepustakaan Populer Gramedia, 2019
Buku Teks
Kissinger, Henry, 1923-
Henry Kissinger, 1979
Buku Teks
Barnes, John A.
American Management Association, 2005
eBooks
Tully, Andre
New York : Simon and Schuster, 1961.
Buku Teks