Polycarpus Swantoro
Kepustakaan Populer Gramedia, 2019
Buku Teks
Kennedy, John
Hutchinson, 1957
Buku Teks
Kennedy, John F
Evanston, 1964
Buku Teks
Barnes, John A.
American Management Association, 2005
eBooks
Schlesinger, Arthur Meier
Fawcett Publications, 1965
Buku Teks