Gaya APA

COHEN,Morris R., NAGEL,Ernes.. (1943). An Introduction to Logic and Scientific Method . New York: Harcourt.

Gaya Chicago

COHEN,Morris R., NAGEL,Ernes.. An Introduction to Logic and Scientific Method. New York: Harcourt, 1943. Teks.

Gaya MLA

COHEN,Morris R., NAGEL,Ernes.. An Introduction to Logic and Scientific Method. New York: Harcourt, 1943. Teks.

Gaya Turabian

COHEN,Morris R., NAGEL,Ernes.. An Introduction to Logic and Scientific Method. New York: Harcourt, 1943. Teks.