Kessler, L., & McDonald, D. (2012). When words collide: A media writer's guide to grammar and style (8th ed.). Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Kessler, Lauren, agus Duncan McDonald. When Words Collide: A Media Writer's Guide to Grammar and Style. 8th ed. Australia: Cengage Learning, 2012.
Lua MLA (9ú heag.)Kessler, Lauren, agus Duncan McDonald. When Words Collide: A Media Writer's Guide to Grammar and Style. 8th ed. Cengage Learning, 2012.
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