Παραπομπή APA

Bittinger, M. L. (1970). Logic and Proof. Addison-Wesley.

Παραπομπή Chicago Style

Bittinger, Marvin L. Logic and Proof. Reading, Mass.: Addison-Wesley, 1970.

Παραπομπή MLA

Bittinger, Marvin L. Logic and Proof. Addison-Wesley, 1970.