एपीए उद्धरण

Calder, R. (1962). Common sense about a starving world.

शिकागो स्टाइल उद्धरण

Calder, Ritchie. Common Sense About a Starving World. 1962.

एमएलए उद्धरण

Calder, Ritchie. Common Sense About a Starving World. 1962.