APA
Ed:De Alwis Seneviratne R., Herath H., Fernando D. N. & Lankatilake K. N.Occupational Health. : Sri Lanka:Department of Community Medicine, Faculty of Medicine.
Chicago
Ed:De Alwis Seneviratne Rohini, Herath H.M.S.S.D, Fernando Dulitha N and Lankatilake Kantha N.Occupational Health. : Sri Lanka:Department of Community Medicine, Faculty of Medicine.
Harvard
Ed:De Alwis Seneviratne R., Herath H., Fernando D. N. and Lankatilake K. N.Occupational Health. : Sri Lanka:Department of Community Medicine, Faculty of Medicine.
MLA
Ed:De Alwis Seneviratne Rohini, Herath H.M.S.S.D, Fernando Dulitha N and Lankatilake Kantha N.: Sri Lanka:Department of Community Medicine, Faculty of Medicine. .