Boeke, J.H., author
Tjeenk Willink & Zoon, 1963
Buku Teks
Boeke, J.H., author
Institute of Pacific Relations, 1953
Buku Teks
by Sidney S. Alexander ... [et.al]
Brookings Institution, 1959
Buku Teks
Boulding, Kenneth E. (Kenneth Ewart), 1910-1993, author
Prentice-Hall, 1958
Buku Teks
Tinbergen, Jan, 1903-, author
North-Holland Publishing , 1952
Buku Teks