Gaya APA
Ardrey, Robert. (1971).
The Social Contract (First Delta printing - October 1971).
New York:
Dell Publishing Co., Inc..
Gaya Chicago
Ardrey, Robert.
The Social Contract.
First Delta printing - October 1971
New York:
Dell Publishing Co., Inc.,
1971.
Text.
Gaya MLA
Ardrey, Robert.
The Social Contract.
First Delta printing - October 1971
New York:
Dell Publishing Co., Inc.,
1971.
Text.
Gaya Turabian
Ardrey, Robert.
The Social Contract.
First Delta printing - October 1971
New York:
Dell Publishing Co., Inc.,
1971.
Print.