एपीए उद्धरण

Hargreaves, R. (1973). Super power: America in the 1970s. Hodder and Stoughton.

शिकागो स्टाइल उद्धरण

Hargreaves, Robert. Super Power: America in the 1970s. London: Hodder and Stoughton, 1973.

एमएलए उद्धरण

Hargreaves, Robert. Super Power: America in the 1970s. Hodder and Stoughton, 1973.