Gaya APA
Chissick, S., Derricott, R. (1981).
Occupational health and safety management. (1981).
:
New York : John Wiley & Sons,.
Gaya MLA
Chissick, S.S.., Derricott, R..
"Occupational health and safety management.".
1981
:
New York : John Wiley & Sons,,
1981.
Text.