Russell, Richard Joel
Culture worlds
Macmillan, 1958
 Buku Teks SO
Munnings, Peter
Between two worlds a photo documentary of the tause culture of Irian Jaya Indonesia and
Jayapura UNCEN-SIL 1990
 Buku Teks
Pollock, David C.
Third culture kids : The Experience growing up among worlds
Nicholas Brealey Pub. , 2001
 Buku Teks SO
Worlds Apart
editor Daniel Millea
Routledge, 1995
 Buku Teks SO
Robinson, W. Peter
Language in social worlds
Blackwell, 2003
 Buku Teks SO