Sinek, Simon
Penguin, 2017
Buku Teks
Shin, Kyung-sook
Gramedia Pustaka Utama, 2015
Buku Teks
introduction by Paul A. Barrenche ; [design, William van Roden]. Other Authors
Edizioni Press, 2003
Buku Teks
Benarde, Melvin A.
McGraw-Hill Book, 1971
Buku Teks
Shin, Kyung-sook
Gramedia Pustaka Utama, 2022
Buku Teks