Gaya APA

Copi, Irving M. (1982). Introduction to logic (6). New York: Macmillan Pub.

Gaya Chicago

Copi, Irving M. Introduction to logic. 6 New York: Macmillan Pub, 1982. Buku.

Gaya MLA

Copi, Irving M. Introduction to logic. 6 New York: Macmillan Pub, 1982. Buku.

Gaya Turabian

Copi, Irving M. Introduction to logic. 6 New York: Macmillan Pub, 1982. Buku.