Wan, Henry Y., author
Harcourt Brace Jovanovich, 1971
Buku Teks
Adelman, Irma, author
Stanford University Press, 1961
Buku Teks
Kuznets, Simon Smith, 1901-, author
Yale University Press, 1966
Buku Teks
Haney, Lewis H., author
Macmillan, 1949
Buku Teks
Weil, David N., author
Pearsons Addison-Wesley, 2009
Buku Teks