Cita APA (7th ed.)

Ascher, A. (1993). Think about editing: A grammar editing guide for ESL writers. Thomson.

Cita Chicago (17th ed.)

Ascher, Allen. Think About Editing: A Grammar Editing Guide for ESL Writers. Boston: Thomson, 1993.

Cita MLA (9th ed.)

Ascher, Allen. Think About Editing: A Grammar Editing Guide for ESL Writers. Thomson, 1993.