Philippine Industrial Relations Society & Sibal, J. . V. (2012). Sustainable employment relationships: Book 2. Central Book Supply.
Citazione stile Chigago Style (17a edizione)Philippine Industrial Relations Society e Jorge V. Sibal. Sustainable Employment Relationships: Book 2. Quezon City: Central Book Supply, 2012.
Citatione MLA (9a ed.)Philippine Industrial Relations Society e Jorge V. Sibal. Sustainable Employment Relationships: Book 2. Central Book Supply, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.