एपीए उद्धरण

Napoleoni, C., & Cigno, A. (1972). Economic Thought of the Twentieth Century. Vikas Publishing House Pvt. Ltd.

शिकागो स्टाइल उद्धरण

Napoleoni, Claudio, और Alessandro Cigno. Economic Thought of the Twentieth Century. Delhi: Vikas Publishing House Pvt. Ltd, 1972.

एमएलए उद्धरण

Napoleoni, Claudio, और Alessandro Cigno. Economic Thought of the Twentieth Century. Vikas Publishing House Pvt. Ltd, 1972.