Gaya APA
Duffee, D., Fitch, R. (1976).
AN INTRODUCTION TO CORRECTIONS: A POLICY AND SYSTEMS APPROACH .
California:
Goodyear.
Gaya MLA
Duffee, David., Fitch, Robert.
"AN INTRODUCTION TO CORRECTIONS: A POLICY AND SYSTEMS APPROACH".
California:
Goodyear,
1976.
Text.