Burrows, Terry, author
Carlton, 2011
Buku Teks
Davis, Kenneth C., author
Perennial, 2004
Buku Teks
Heilbroner, Robert L., author
Simon & Schuster, 1994
Buku Teks
Choi, Jun-sik, author
Dong Asia, 2006
Buku Teks
Suh, Jai-sik, 1956, author
Hollym International Corp, 2006
Buku Referensi