Wilkes, C. (1849). Western America, including California and Oregon, with maps of those regions, and of "the Sacramento Valley". Lea & Blanchard.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilkes, Charles. Western America, Including California and Oregon, with Maps of Those Regions, and of "the Sacramento Valley". Philadelphia: Lea & Blanchard, 1849.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWilkes, Charles. Western America, Including California and Oregon, with Maps of Those Regions, and of "the Sacramento Valley". Lea & Blanchard, 1849.
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