Lipsey, Richard G., 1928-, author
Harper & Row, 1966
Buku Teks
Kohler, Heinz, author
Healt and Company, 1992
Buku Teks
by Richard G. Lipsey ... [et al]
Harper Collins College, 1993
Buku Teks
Reynolds, Lloyd G., author
Richard D. Irvin, 1963
Buku Teks
Truett, Lila J., author
Mirror College, 1987
Buku Teks