Gaya APA
Cohen, Morris R., Nagel, Ernest. (1966).
An Introduction to logic .
London:
Routledge.
Gaya Chicago
Cohen, Morris R., Nagel, Ernest.
An Introduction to logic.
London:
Routledge,
1966.
Text.
Gaya MLA
Cohen, Morris R., Nagel, Ernest.
An Introduction to logic.
London:
Routledge,
1966.
Text.
Gaya Turabian
Cohen, Morris R., Nagel, Ernest.
An Introduction to logic.
London:
Routledge,
1966.
Print.