edited by Sita Ranchod-Nilsson and Mary Ann Teitreault
Routledge , 2000
Buku Teks
edited by Robert A. Goldwin
Rand McNally, 1963
Buku Teks
Myrdal, Alva Reimer, 1902-, author
Routledge & Keggan Paul , 1956
Buku Teks
Hicks, John R., author
Houghton Mifflin , 1946
Buku Teks
Lipset, Seymour Martin, author
Basic Books, 1963
Buku Teks