National Credit Congress (4th : 1977 : Baguio City). (1977). Proceedings: Fourth National Credit Congress. Credit Management Association of the Philippines.
Citazione stile Chigago Style (17a edizione)National Credit Congress (4th : 1977 : Baguio City). Proceedings: Fourth National Credit Congress. Manila: Credit Management Association of the Philippines, 1977.
Citatione MLA (9a ed.)National Credit Congress (4th : 1977 : Baguio City). Proceedings: Fourth National Credit Congress. Credit Management Association of the Philippines, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.