Thurman, R. L. (2022). The all-weather retirement portfolio: Your post-retirement investment guide to a worry-free income for life. ForbesBooks.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThurman, Randy L. The All-weather Retirement Portfolio: Your Post-retirement Investment Guide to a Worry-free Income for Life. South Carolina: ForbesBooks, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रThurman, Randy L. The All-weather Retirement Portfolio: Your Post-retirement Investment Guide to a Worry-free Income for Life. ForbesBooks, 2022.
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