Boulding, Kenneth E. (Kenneth Ewart), 1910-1993, author
Harper & Brothers, 1955
Buku Teks
Boulding, Kenneth E. (Kenneth Ewart), 1910-1993, author
Harper & Row, 1966
Buku Teks
Balassa, Bela A., author
Harvester Wheatsheaf, 1989
Buku Teks
Tade Matthias Spranger
Springer, 2012
eBooks
Maddi, Salvatore R., author
The Dassey Press, 1968
Buku Teks