Sheeler, W. D. (1991). Welcome to english: Work Book 2/ Willard D. Sheeler; Jean N. Dale; Susan C. Bayley. Indonesia : English Language Services Inc..
Lua i Stíl Chicago (17ú heag.)Sheeler, Willard D. Welcome to English: Work Book 2/ Willard D. Sheeler; Jean N. Dale; Susan C. Bayley. Indonesia : English Language Services Inc., 1991.
Lua MLA (8ú heag.)Sheeler, Willard D. Welcome to English: Work Book 2/ Willard D. Sheeler; Jean N. Dale; Susan C. Bayley. Indonesia : English Language Services Inc., 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.