Gaya APA

Services, U, S, D, O, H, A, H. (1988). Guidelines for protecting the Safety and Health of Health Care Workers . Washington D.C: DHHS (NIOSH).

Gaya MLA

Services, United, State, Department, Of, Health, And, Human. "Guidelines for protecting the Safety and Health of Health Care Workers". Washington D.C: DHHS (NIOSH), 1988. print.