(1989). 1989 collective bargaining agreement survey. Personnel Management Association of the Philippines.
Chicagoスタイル(17版)引用形式1989 Collective Bargaining Agreement Survey. Manila: Personnel Management Association of the Philippines, 1989.
MLA(9版)引用形式1989 Collective Bargaining Agreement Survey. Personnel Management Association of the Philippines, 1989.
警告: この引用は必ずしも正確ではありません.