Cramer, R. L. (1986). Language: Skills and use (2nd.ed.). Scott, Foresman and Co..
Lua i Stíl Chicago (17ú heag.)Cramer, Ronald L. Language: Skills and Use. 2nd.ed. Glenview: Scott, Foresman and Co., 1986.
Lua MLA (9ú heag.)Cramer, Ronald L. Language: Skills and Use. 2nd.ed. Scott, Foresman and Co., 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.