edited by Tan Jing Jee & You Poh Seng with Emily Ding
Addison-Wesley Publishing, 1987
Buku Referensi
Addison-Wesley, 1987
Buku Teks
Haneberg, Lisa, author
American Management Association, 2008
eBooks
Artikel Jurnal
Asian Development Bank , 1982
Buku Teks