एपीए उद्धरण

Mahadevan, T. (1967). Civilian defence: An introduction.

शिकागो स्टाइल उद्धरण

Mahadevan, Tk. Civilian Defence: An Introduction. 1967.

एमएलए उद्धरण

Mahadevan, Tk. Civilian Defence: An Introduction. 1967.