Gaya APA
Grimaldi, John V.. (1975).
Safety management ( ensiklopedia Asing) .
United States of America:
Richard D Irwin, Inc.
Gaya Chicago
Grimaldi, John V..
Safety management ( ensiklopedia Asing).
United States of America:
Richard D Irwin, Inc,
1975.
Text.
Gaya MLA
Grimaldi, John V..
Safety management ( ensiklopedia Asing).
United States of America:
Richard D Irwin, Inc,
1975.
Text.
Gaya Turabian
Grimaldi, John V..
Safety management ( ensiklopedia Asing).
United States of America:
Richard D Irwin, Inc,
1975.
Print.