S. Husin Ali, author
Oxford University Press, 1975
Buku Teks
ILO, 1974
Buku Teks
Dewey, Alice G., author
The Free Press, 1962
Buku Teks
Firth, Raymond, author
Routledge & Kegan Paul, 1971
Buku Teks
Johnson, Chalmers, 1931-2010, author
Stanford university press, 1962
Buku Teks