एपीए उद्धरण

Karl, A. F. (1972). Intermediate economic statistics. Wiley Eastern.

शिकागो स्टाइल उद्धरण

Karl, A. Fox. Intermediate Economic Statistics. New Delhi: Wiley Eastern, 1972.

एमएलए उद्धरण

Karl, A. Fox. Intermediate Economic Statistics. Wiley Eastern, 1972.