SHEEHAN DAVID V. (1986). ANXIETY DISEASE. BANTAM BOOKS.
Lua i Stíl Chicago (17ú heag.)SHEEHAN DAVID V. ANXIETY DISEASE. NEW YORK: BANTAM BOOKS, 1986.
Lua MLA (9ú heag.)SHEEHAN DAVID V. ANXIETY DISEASE. BANTAM BOOKS, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.