Cita APA (7th ed.)

COPI IRVING M. (1979). SYMBOLIC LOGIC (5TH.). PRENTICE -HALL INTERNATIONAL; INC.

Cita Chicago (17th ed.)

COPI IRVING M. SYMBOLIC LOGIC. 5TH. NEW DELHI: PRENTICE -HALL INTERNATIONAL; INC, 1979.

Cita MLA (9th ed.)

COPI IRVING M. SYMBOLIC LOGIC. 5TH. PRENTICE -HALL INTERNATIONAL; INC, 1979.