Gaya APA

stellman, J, M. (1998). Encyclopaedia of Occupational Health and Safety Vol. 1 (4). [s.i.]: international labour office.

Gaya MLA

stellman, Jeanne, Mager. "Encyclopaedia of Occupational Health and Safety Vol. 1". 4 [s.i.]: international labour office, 1998. Text.