Wharton School. Securities Research Unit & Friend, I. (1970). The Over-The-Counter securities markets: Based on a series of monographs by members of the Securities Research Unit, Wharton School, University of Pennsylvania. McGraw-Hill High Wycombe, Eng. : University Microfilms.
Chicago Style (17th ed.) CitationWharton School. Securities Research Unit and Irwin Friend. The Over-The-Counter Securities Markets: Based on a Series of Monographs by Members of the Securities Research Unit, Wharton School, University of Pennsylvania. New York: McGraw-Hill High Wycombe, Eng. : University Microfilms, 1970.
MLA (8th ed.) CitationWharton School. Securities Research Unit and Irwin Friend. The Over-The-Counter Securities Markets: Based on a Series of Monographs by Members of the Securities Research Unit, Wharton School, University of Pennsylvania. McGraw-Hill High Wycombe, Eng. : University Microfilms, 1970.