Philippines. Department of Labor. Labor Statistics Service. (1972). Non-agricultural employment, hours and earnings. DLLSS.
Chicago-Zitierstil (17. Ausg.)Philippines. Department of Labor. Labor Statistics Service. Non-agricultural Employment, Hours and Earnings. Manila: DLLSS, 1972.
MLA-Zitierstil (9. Ausg.)Philippines. Department of Labor. Labor Statistics Service. Non-agricultural Employment, Hours and Earnings. DLLSS, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.