एपीए उद्धरण

Ponnuswami, K. P. (1974). Cases and materials on contracts. Eastern.

शिकागो स्टाइल उद्धरण

Ponnuswami, K Purri. Cases and Materials on Contracts. Lucknow: Eastern, 1974.

एमएलए उद्धरण

Ponnuswami, K Purri. Cases and Materials on Contracts. Eastern, 1974.