Gaya APA
Johnson, Edwin S. (1981).
Research methods in criminology and criminal justice .
N.J:
Prentice-Hall.
Gaya Chicago
Johnson, Edwin S.
Research methods in criminology and criminal justice.
N.J:
Prentice-Hall,
1981.
Text.
Gaya MLA
Johnson, Edwin S.
Research methods in criminology and criminal justice.
N.J:
Prentice-Hall,
1981.
Text.
Gaya Turabian
Johnson, Edwin S.
Research methods in criminology and criminal justice.
N.J:
Prentice-Hall,
1981.
Print.