MODERN & GUILATCO, F. M. [. (1975). Modern occupational health: Principles and health. Bancom Development Corporation.
Lua i Stíl Chicago (17ú heag.)MODERN agus Fidel M [ed] GUILATCO. Modern Occupational Health: Principles and Health. Rizal: Bancom Development Corporation, 1975.
Lua MLA (9ú heag.)MODERN agus Fidel M [ed] GUILATCO. Modern Occupational Health: Principles and Health. Bancom Development Corporation, 1975.
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