Cita APA

Pilbeam, A., Ellis, M., & O'Driscoll, N. (1982). The economist: An english language guide. London: The Economist Newspaper.

Citación estilo Chicago

Pilbeam, Adrian, Mark Ellis, and Nina O'Driscoll. The Economist: An English Language Guide. London: The Economist Newspaper, 1982.

Cita MLA

Pilbeam, Adrian, Mark Ellis, and Nina O'Driscoll. The Economist: An English Language Guide. London: The Economist Newspaper, 1982.