एपीए उद्धरण

Spark, G. Vitiation of contracts: International contractual principles and English law.

शिकागो स्टाइल उद्धरण

Spark, Gareth. Vitiation of Contracts: International Contractual Principles and English Law.

एमएलए उद्धरण

Spark, Gareth. Vitiation of Contracts: International Contractual Principles and English Law.