Cita APA (7th ed.)

Dummett, P. (2014). Life: Advanced. Workbook (1a. ed.). National Geographic Learning.

Cita Chicago (17th ed.)

Dummett, Paul. Life: Advanced. Workbook. 1a. ed. Hampshire: National Geographic Learning, 2014.

Cita MLA (9th ed.)

Dummett, Paul. Life: Advanced. Workbook. 1a. ed. National Geographic Learning, 2014.

Atenció: Aquestes cites poden no estar 100% correctes.