Langvardt, Arlen W., Business law the ethical, global, and e-commerce environment Arlen W. Langvardt - Seventeenth Edition - New York: McGraw-Hill Education, 2019. - xi, various pages : 26 cm. Includes index. ISBN: 9781260091809 Subjects--Topical Terms: Commercial law. Subjects--Geographic Terms: United States. Dewey Class. No.: 346.7307 / L269b