Knook, Allard, author
Utrecht University, 2009
Buku Teks
Distributed by Almqvist & Wiksell International, 1974
Buku Teks
Denny Indrayana, 1972-, author
Intrans Publishing, 2016
Buku Teks
American Economic Association
Richard D. Irwin, 1951
Buku Teks
Angus and Robertson, 1957
Buku Teks