APA
W.H.O.T.R.S. 785, . (1989). health surveillance and management procedures for food handling personnels. W.H.O., Geneva: .
Chicago
W.H.O.T.R.S. 785, . 1989. health surveillance and management procedures for food handling personnels. W.H.O., Geneva: .
Harvard
W.H.O.T.R.S. 785, . (1989). health surveillance and management procedures for food handling personnels. W.H.O., Geneva: .
MLA
W.H.O.T.R.S. 785, . health surveillance and management procedures for food handling personnels. W.H.O., Geneva: . 1989.