Gaya APA
Hardert, Ronald A.. (1984).
Confronting social problem .
New York:
West.
Gaya Chicago
Hardert, Ronald A..
Confronting social problem.
New York:
West,
1984.
Text.
Gaya MLA
Hardert, Ronald A..
Confronting social problem.
New York:
West,
1984.
Text.
Gaya Turabian
Hardert, Ronald A..
Confronting social problem.
New York:
West,
1984.
Print.