Philippines. Department of Labor and Employment. (1989). Workers protection and welfare handbook. DOLE.
芝加哥风格引文Philippines. Department of Labor and Employment. Workers Protection and Welfare Handbook. Manila: DOLE, 1989.
MLA引文Philippines. Department of Labor and Employment. Workers Protection and Welfare Handbook. DOLE, 1989.
警告：这些引文格式不一定是100％准确.