Najarian, J. S., & Delaney, J. P. (1979). Gastrointestinal surgery. Symposia Specialists.
Lua i Stíl Chicago (17ú heag.)Najarian, John S., agus John P. Delaney. Gastrointestinal Surgery. Miami: Symposia Specialists, 1979.
Lua MLA (9ú heag.)Najarian, John S., agus John P. Delaney. Gastrointestinal Surgery. Symposia Specialists, 1979.
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