BAER EARL E. (1981). MARKETING SYSTEM PROCESS CASES AND PROBLEMS. GOODYEAR.
Chicago Style aipamenaBAER EARL E. MARKETING SYSTEM PROCESS CASES AND PROBLEMS. CALIFORNIA: GOODYEAR, 1981.
MLA aipamenaBAER EARL E. MARKETING SYSTEM PROCESS CASES AND PROBLEMS. GOODYEAR, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.