एपीए उद्धरण

Copi, I. m. (1998). Symbolic Logic (5th ed.). Prentice-Hall of India.

शिकागो स्टाइल उद्धरण

Copi, Irving m. Symbolic Logic. 5th ed. New Delhi: Prentice-Hall of India, 1998.

एमएलए उद्धरण

Copi, Irving m. Symbolic Logic. 5th ed. Prentice-Hall of India, 1998.