एपीए उद्धरण

Stovall, W. (1978). Presidential emergemcy. Hodder and stoughton.

शिकागो स्टाइल उद्धरण

Stovall, Walter. Presidential Emergemcy. London: Hodder and stoughton, 1978.

एमएलए उद्धरण

Stovall, Walter. Presidential Emergemcy. Hodder and stoughton, 1978.