एपीए उद्धरण

Pearson,Charles, & Anthony,Pryor. Environment: North and south. John Wiley & Sons.

शिकागो स्टाइल उद्धरण

Pearson,Charles, और Anthony,Pryor. Environment: North and South. New York: John Wiley & Sons.

एमएलए उद्धरण

Pearson,Charles, और Anthony,Pryor. Environment: North and South. John Wiley & Sons.