APA Style
Ridley, John R.. (1992).
SAFETY AT WORK, Third Edition (3rd).
Oxford:
Butterworth-Heinemann Ltd.
Chicago Style
Ridley, John R..
SAFETY AT WORK, Third Edition.
3rd
Oxford:
Butterworth-Heinemann Ltd,
1992.
Text.
MLA Style
Ridley, John R..
SAFETY AT WORK, Third Edition.
3rd
Oxford:
Butterworth-Heinemann Ltd,
1992.
Text.
Turabian Style
Ridley, John R..
SAFETY AT WORK, Third Edition.
3rd
Oxford:
Butterworth-Heinemann Ltd,
1992.
Print.