(1981). Symposium on biliary tract disease. Saunders.
Chicago Style (17th ed.) CitationSymposium on Biliary Tract Disease. Philadelphia [u.a.]: Saunders, 1981.
MLA (9th ed.) CitationSymposium on Biliary Tract Disease. Saunders, 1981.
Warning: These citations may not always be 100% accurate.