Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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