Gaya APA

COPI, I, M, -, C, C. (2009). INTRODUCTION ; LOGIC (4). UNITED STATES OF AMERICA: Pearson Education.

Gaya MLA

COPI, IRVING, M, -, CARL, COHEN. "INTRODUCTION ; LOGIC". 4 UNITED STATES OF AMERICA: Pearson Education, 2009. Text.