National productivity council. (1961). Marketing and distribution in U.K. and U.S.A. and West Germany TR-8. N.P.C.
Chicago Style aipamenaNational productivity council. Marketing and Distribution in U.K. and U.S.A. and West Germany TR-8. New Delhi: N.P.C, 1961.
MLA aipamenaNational productivity council. Marketing and Distribution in U.K. and U.S.A. and West Germany TR-8. N.P.C, 1961.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.