Engstrom, P. F., & Goosenberg, E. B. (1999). Diagnosis and management of bowel diseases. Professional Communications.
Citazione stile Chigago Style (17a edizione)Engstrom, Paul F., e Eric B. Goosenberg. Diagnosis and Management of Bowel Diseases. Caddo, OK: Professional Communications, 1999.
Citatione MLA (9a ed.)Engstrom, Paul F., e Eric B. Goosenberg. Diagnosis and Management of Bowel Diseases. Professional Communications, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.