edited by Richard Ronald and Marja Elsinga
Routledge, 2012
Buku Teks
Heckscher, Gunnar
Buku Teks
Hechscher, Gunnar, author
University of Minnesota Press, 1984
Buku Teks
Myrdal, Gunnar, 1898-, author
Yale University Press , 1960
Buku Teks
Wilensky, Harold L., author
Free Press, 1965
Buku Teks