Lu, J. L. D. P. (1999). Occupational and environmental exposures of adult workers in Metro Manila. Manila Studies Program, College of Arts and Sciences, University of the Philippines.
Chicago-referens (17:e uppl.)Lu, Jinky Leilanie Del Prado. Occupational and Environmental Exposures of Adult Workers in Metro Manila. Manila: Manila Studies Program, College of Arts and Sciences, University of the Philippines, 1999.
MLA-referens (9:e uppl.)Lu, Jinky Leilanie Del Prado. Occupational and Environmental Exposures of Adult Workers in Metro Manila. Manila Studies Program, College of Arts and Sciences, University of the Philippines, 1999.
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