Gaya APA
Peterson, Dan. (1976).
Safety supervision (text).
New York:
AMACOM.
Gaya Chicago
Peterson, Dan.
Safety supervision.
text
New York:
AMACOM,
1976.
Tesis.
Gaya MLA
Peterson, Dan.
Safety supervision.
text
New York:
AMACOM,
1976.
Tesis.
Gaya Turabian
Peterson, Dan.
Safety supervision.
text
New York:
AMACOM,
1976.
Tesis.