Philippine Social Institute & Federation of Free Workers (Philippines). (1990). Philippine Social Institute: The educational arm of the Federation of Free Workers. Philippine Social Institute, Federation of Free Workers.
Citação do estilo Chicago (17ª ed.)Philippine Social Institute e Federation of Free Workers (Philippines). Philippine Social Institute: The Educational Arm of the Federation of Free Workers. Manila: Philippine Social Institute, Federation of Free Workers, 1990.
Citação MLA (9ª ed.)Philippine Social Institute e Federation of Free Workers (Philippines). Philippine Social Institute: The Educational Arm of the Federation of Free Workers. Philippine Social Institute, Federation of Free Workers, 1990.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.