Osgood, Cornelius
The University of Arizona Press, 1975
Buku Teks
Hicks, George L.
Ubiters' & Publishers, 1989
Buku Teks
Wesley-Smith, Peter
Oxford University Press, 1987
Buku Teks
Woo, Sing Lim
Five Continents Book, 1937
Buku Teks
Akane Viebia Aya
2017
UI - Skripsi (Membership)