Cita APA

International Labor Office. (1989). Encyclopedia of occupational health and safety: Dr. Luigi Parmeggiani (3rd rev. ed. with modifications.). International Labor Office.

Citación estilo Chicago

International Labor Office. Encyclopedia of Occupational Health and Safety: Dr. Luigi Parmeggiani. 3rd rev. ed. with modifications. Geneva: International Labor Office, 1989.

Cita MLA

International Labor Office. Encyclopedia of Occupational Health and Safety: Dr. Luigi Parmeggiani. 3rd rev. ed. with modifications. International Labor Office, 1989.