Pechman, Joseph A., author
Brookings Institution, 1987
Buku Teks
Pechman, Joseph A., author
Brookings Institution, 1971
Buku Teks
Pechman, Joseph A., author
Brookings Institution, 1987
Buku Teks
Christensen, C. Roland, author
Richard D. Irwin, 1978
Buku Teks
by C. Ronald Christensen [and others]
Irwin, 1987
Buku Teks