एपीए उद्धरण

Thorpe,Edgar, & Thorpe,Showick. (2003). Objective english. Pearson Education.

शिकागो स्टाइल उद्धरण

Thorpe,Edgar, और Thorpe,Showick. Objective English. New Delhi: Pearson Education, 2003.

एमएलए उद्धरण

Thorpe,Edgar, और Thorpe,Showick. Objective English. Pearson Education, 2003.