एपीए उद्धरण

Southern, A., & Wallwork,Adrian. (2009). Science and enviroment. Tp. HCM: Tổng hợp.

शिकागो स्टाइल उद्धरण

Southern, Anna., और Wallwork,Adrian. Science and Enviroment. Tp. HCM: Tổng hợp, 2009.

एमएलए उद्धरण

Southern, Anna., और Wallwork,Adrian. Science and Enviroment. Tp. HCM: Tổng hợp, 2009.