Welch, K. J. (1986). Pediatric surgery.
Lua i Stíl Chicago (17ú heag.)Welch, Kenneth J. Pediatric Surgery. 1986.
Lua MLA (9ú heag.)Welch, Kenneth J. Pediatric Surgery. 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.