Rao, G. Venkatappa
Tata McGraw-Hill, 1992
Buku Teks SO
Ashford, Norman J.
Wiley, 1992
Buku Teks SO
Ashford, Norman J.
John Wiley & Sons, 1984
Buku Teks SO
by Agoes Ariesmunandar, Julian Davison, Bea Bromer and Jacques Durmacay
Archipelago Press, 1998
Buku Referensi
editor Haryati Soebadio
Archipelago Press, 1998
Buku Teks SO