David, E. B., IV, Soriano, J. C., & Tinaza, J. (1990). A descriptive study of occupational diseases and occupational hazards among zipper factory workers of State Manufacturing Industries. Animo Repository.
استشهاد بنمط شيكاغوDavid, Edilberto B., IV, Julius C. Soriano, و Jomar Tinaza. A Descriptive Study of Occupational Diseases and Occupational Hazards Among Zipper Factory Workers of State Manufacturing Industries. Animo Repository, 1990.
MLA استشهادDavid, Edilberto B., IV, Julius C. Soriano, و Jomar Tinaza. A Descriptive Study of Occupational Diseases and Occupational Hazards Among Zipper Factory Workers of State Manufacturing Industries. Animo Repository, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.