एपीए उद्धरण

Bilas, K., & Wallace, R. (1979). Problems in microeconomics. Tata Mcgraw hill publishing company Ltd.

शिकागो स्टाइल उद्धरण

Bilas, K.A, और R.S Wallace. Problems in Microeconomics. New Delhi: Tata Mcgraw hill publishing company Ltd, 1979.

एमएलए उद्धरण

Bilas, K.A, और R.S Wallace. Problems in Microeconomics. Tata Mcgraw hill publishing company Ltd, 1979.