Roxborough, Ian, author
LP3ES, 1986
Buku Teks
Willis, Katie, 1968-, author
Routledge, 2011
Buku Teks
Unesco , 1982
Buku Teks
Adelman, Irma, author
Stanford University Press, 1961
Buku Teks
Coale, Ansley J., author
Princeton University Press, 1958
Buku Teks