एपीए उद्धरण

Balassa, B. (1970). Changing patterns in foreigns trade and payments. New York: W. W. Norton and Company.

शिकागो स्टाइल उद्धरण

Balassa, Bela. Changing Patterns in Foreigns Trade and Payments. New York: W. W. Norton and Company, 1970.

एमएलए उद्धरण

Balassa, Bela. Changing Patterns in Foreigns Trade and Payments. New York: W. W. Norton and Company, 1970.