Cita APA (7th ed.)

Proud, A. (1977). English in brief: A course in summary writing. Edward Arnold.

Cita Chicago (17th ed.)

Proud, Alan. English in Brief: A Course in Summary Writing. London: Edward Arnold, 1977.

Cita MLA (8th ed.)

Proud, Alan. English in Brief: A Course in Summary Writing. Edward Arnold, 1977.