Gaya APA
POWIS, David. (1977).
The Signs of Crime : A Field Manual for Police .
London:
Osborne McGraw-Hill.
Gaya Chicago
POWIS, David.
The Signs of Crime : A Field Manual for Police.
London:
Osborne McGraw-Hill,
1977.
.
Gaya MLA
POWIS, David.
The Signs of Crime : A Field Manual for Police.
London:
Osborne McGraw-Hill,
1977.
.
Gaya Turabian
POWIS, David.
The Signs of Crime : A Field Manual for Police.
London:
Osborne McGraw-Hill,
1977.
.