Dunkel, P., & Lim, P. L. (1986). Intermediate listening comprehension: Understanding and recalling spoken English. Newbury House Publishers.
Lua i Stíl Chicago (17ú heag.)Dunkel, Patricia, agus Phyllis L. Lim. Intermediate Listening Comprehension: Understanding and Recalling Spoken English. Rowley, MA: Newbury House Publishers, 1986.
Lua MLA (8ú heag.)Dunkel, Patricia, agus Phyllis L. Lim. Intermediate Listening Comprehension: Understanding and Recalling Spoken English. Newbury House Publishers, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.