The marketing of industrial products
edited by Aubrey Wilson
Pan Books, 1972
 Buku Teks SO
Alexander, Ralph S.
Industrial marketing
Richard D. Irwin, 1956
 Buku Teks SO
Alexander, Ralph
Industrial marketing
Richard D. Irwin, 1961
 Buku Teks SO
Alexander, Ralph S.
Industrial marketing
Richard D. Irwin, 1956
 Buku Teks SO
Alexander, Ralph
Industrial marketing
Richard D. Irwin, 1961
 Buku Teks SO