Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.