Kuznets, Simon Smith, 1901-, author
Yale University Press, 1966
Buku Teks
International Labour Office, 1964
Buku Teks
Van den Berg, Hendrik, 1949-, author
NJ World Scientific, 2011
Buku Teks
Myrdal, Gunnar, 1898-, author
Gerald Dukworth & Co. Ltd., 1957
Buku Teks
Petrakis, Panagiotis, author
Springer-Verlag, 2014
Buku Teks