Gaya APA
Pettman, Ralph. (1979).
State and Class A Sociology International Affairs .
London:
Croom Helm.
Gaya Chicago
Pettman, Ralph.
State and Class A Sociology International Affairs.
London:
Croom Helm,
1979.
Text.
Gaya MLA
Pettman, Ralph.
State and Class A Sociology International Affairs.
London:
Croom Helm,
1979.
Text.
Gaya Turabian
Pettman, Ralph.
State and Class A Sociology International Affairs.
London:
Croom Helm,
1979.
Print.