Fryer, D.W., author
McGraw-Hill, 1965
Buku Teks
edited by Marie C. Thursby
Emerald, 2016
eBooks
Hirschman, Albert O.
Yale University Press, 1965
Buku Teks
Meir, Gerald M., author
Oxford University Press, 1971
Buku Teks
Meier, Gerald M., author
Oxford University Press, 1970
Buku Teks