एपीए उद्धरण

Cameron, S. (2008). Hemispheres 4: Workbook. Singapore: McGraw-Hill ESL/ELT.

शिकागो स्टाइल उद्धरण

Cameron, Scott. Hemispheres 4: Workbook. Singapore: McGraw-Hill ESL/ELT, 2008.

एमएलए उद्धरण

Cameron, Scott. Hemispheres 4: Workbook. Singapore: McGraw-Hill ESL/ELT, 2008.