Cita APA (7th ed.)

BAER EARL E. (1981). MARKETING SYSTEM PROCESS CASES AND PROBLEMS. GOODYEAR.

Cita Chicago (17th ed.)

BAER EARL E. MARKETING SYSTEM PROCESS CASES AND PROBLEMS. CALIFORNIA: GOODYEAR, 1981.

Cita MLA (9th ed.)

BAER EARL E. MARKETING SYSTEM PROCESS CASES AND PROBLEMS. GOODYEAR, 1981.