Hill, Reuben
Univeresity of North Carolina Press , 1965
Buku Teks
Cooper, Robert L.
Cambridge University Press, 1989
Buku Teks
Gatchalian, Jose C.
Asian Labor Education Center, 1975
Buku Teks
Carl E. Taylor ... [et al.]
John Hopkins University Press, 1983
Buku Teks
Rothman, Jack
Columbia University Press, 1974
Buku Teks