Cita APA (7a ed.)

International Organization for Standarization. (1993). Quality management and quality system elements. Part 4:Guidelines for quality improvement: ISO 9004-4. ISO.

Cita Chicago Style (17a ed.)

International Organization for Standarization. Quality Management and Quality System Elements. Part 4:Guidelines for Quality Improvement: ISO 9004-4. s.l.: ISO, 1993.

Cita MLA (8a ed.)

International Organization for Standarization. Quality Management and Quality System Elements. Part 4:Guidelines for Quality Improvement: ISO 9004-4. ISO, 1993.