RYAN TIMOTHY P. (2006). PORTFOLIO ANALYSIS: ADVANCED TOPICS IN PERFORMANCE MEASUREMENT, RISK AND ATTRIBUTION. RISK BOOKS.
Chicago-viite (17. p.)RYAN TIMOTHY P. PORTFOLIO ANALYSIS: ADVANCED TOPICS IN PERFORMANCE MEASUREMENT, RISK AND ATTRIBUTION. LONDON: RISK BOOKS, 2006.
MLA-viite (9. p.)RYAN TIMOTHY P. PORTFOLIO ANALYSIS: ADVANCED TOPICS IN PERFORMANCE MEASUREMENT, RISK AND ATTRIBUTION. RISK BOOKS, 2006.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.