Freedman, Ronald, author
Princeton University Press, 1969
Buku Teks
Hill, Reuben, author
Univeresity of North Carolina Press , 1965
Buku Teks
Cooper, Robert L., author
Cambridge University Press, 1989
Buku Teks
Gatchalian, Jose C., author
Asian Labor Education Center, 1975
Buku Teks
Carl E. Taylor ... [et al.]
John Hopkins University Press, 1983
Buku Teks