Wisniewska, I., Riggenbach, H., & Samuda, V. (2007). Grammar dimensions: Form, meaning, and use (4th ed., International student ed.). Thomson/Heinle.
Lua i Stíl Chicago (17ú heag.)Wisniewska, Ingrid, Heidi Riggenbach, agus Virginia Samuda. Grammar Dimensions: Form, Meaning, and Use. 4th ed., International student ed. Australia: Thomson/Heinle, 2007.
Lua MLA (9ú heag.)Wisniewska, Ingrid, et al. Grammar Dimensions: Form, Meaning, and Use. 4th ed., International student ed. Thomson/Heinle, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.