एपीए उद्धरण

Strong, G. (2015). Battle for big tree country. Boston: National Geographic Learning.

शिकागो स्टाइल उद्धरण

Strong, Gregory. Battle for Big Tree Country. Boston: National Geographic Learning, 2015.

एमएलए उद्धरण

Strong, Gregory. Battle for Big Tree Country. Boston: National Geographic Learning, 2015.