APA (7 वां संस्करण) प्रशस्ति पत्र

STRONG ROBERT A. (2000). PORTFOLIO CONSTRUCTION, MANAGEMENT AND PROTECTION (2ND.). SOUTH-WESTERN COLLEGE PUBLISHING CO.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

STRONG ROBERT A. PORTFOLIO CONSTRUCTION, MANAGEMENT AND PROTECTION. 2ND. AUSTRALIA: SOUTH-WESTERN COLLEGE PUBLISHING CO, 2000.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

STRONG ROBERT A. PORTFOLIO CONSTRUCTION, MANAGEMENT AND PROTECTION. 2ND. SOUTH-WESTERN COLLEGE PUBLISHING CO, 2000.