An outline of the American economy
United States Information Agency, 1991
 Buku Teks
Spidchenko, K.
Economic geography of the world a popular outline/ K. Spidchenko
Progress , 1972
 Buku Teks
Johnston, R.J. (Ronald John), author
Geography and geographers: Anglo-American human geography since 1945
Routledge, 2016
 Buku Teks
VanSpanckeren, Kathryn, author
Garis besar kesusasteraan Amerika = Outline of American literature
Lembaga Penerangan Amerika Serikat, 2001
 Buku Teks
Geography and the American environment / Edited by Saul B. Cohen
Voice of America Forum Lectures , 1968
 Buku Teks
<<   2 3 4   >>