PERRINE, L. (1977). Sound and sense: An introduction to poetry.-- ed.5. Harcourt Brace Jovanovich.
Lua i Stíl Chicago (17ú heag.)PERRINE, Laurence. Sound and Sense: An Introduction to Poetry.-- Ed.5. New York: Harcourt Brace Jovanovich, 1977.
Lua MLA (9ú heag.)PERRINE, Laurence. Sound and Sense: An Introduction to Poetry.-- Ed.5. Harcourt Brace Jovanovich, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.