National Tripartite Conference on Labor Laws and Policies Tagaytay City & Catalla, B. L. (1987). Industrial harmony: A key to economic recovery. Department of Labor and Employment.
Cita Chicago (17th ed.)National Tripartite Conference on Labor Laws and Policies Tagaytay City i Bernardita L. Catalla. Industrial Harmony: A Key to Economic Recovery. Manila: Department of Labor and Employment, 1987.
Cita MLA (9th ed.)National Tripartite Conference on Labor Laws and Policies Tagaytay City i Bernardita L. Catalla. Industrial Harmony: A Key to Economic Recovery. Department of Labor and Employment, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.