APA (7 वां संस्करण) प्रशस्ति पत्र
Hoffman, William H. (2001). West Federal taxation: Individual income taxes. South Western College Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Hoffman, William H. West Federal Taxation: Individual Income Taxes. Cincinnati, Ohio: South Western College Publishing, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Hoffman, William H. West Federal Taxation: Individual Income Taxes. South Western College Publishing, 2001.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.