APA引文

Copi , I. M. (1953). A concise introduction to logic. Macmillan Company.

Chicago Style (17th ed.) Citation

Copi , Irving M. A Concise Introduction to Logic. New York: Macmillan Company, 1953.

MLA引文

Copi , Irving M. A Concise Introduction to Logic. Macmillan Company, 1953.