Cita APA (7th ed.)

(2001). Ocupational Health: A Manual for primary health care workers (N/A.). N/A.

Cita Chicago (17th ed.)

Ocupational Health: A Manual for Primary Health Care Workers. N/A. Cairo: N/A, 2001.

Cita MLA (9th ed.)

Ocupational Health: A Manual for Primary Health Care Workers. N/A. N/A, 2001.