Gaya APA
William Handley, M.B.E.. (1977).
Industrial safety hanbook secondd edition .
Malang Kota:
McGraw .
Gaya Chicago
William Handley, M.B.E..
Industrial safety hanbook secondd edition.
Malang Kota:
McGraw ,
1977.
Text.
Gaya MLA
William Handley, M.B.E..
Industrial safety hanbook secondd edition.
Malang Kota:
McGraw ,
1977.
Text.
Gaya Turabian
William Handley, M.B.E..
Industrial safety hanbook secondd edition.
Malang Kota:
McGraw ,
1977.
Print.