Mander, Linden A.
Stanford University Press, 1948
Buku Teks
edited by Mason Haire
John Wiley & Sons, 1959
Buku Teks
edited by Mason Haire
John Wiley & Sons, 1959
Buku Teks
Agus Hardiman Adam
1999
UI - Skripsi Membership
Carpenter, Philip L.
W B Saunders Company, 1975
Buku Teks SO