KSPS-TV (Television station : Spokane, Wash.), & Zimmer, J. d. (2002). Upside-down Pangborn: First across the Pacific. KSPS Public Television.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKSPS-TV (Television station : Spokane, Wash.), और Jim director Zimmer. Upside-down Pangborn: First Across the Pacific. Spokane, Wash.,: KSPS Public Television, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKSPS-TV (Television station : Spokane, Wash.), और Jim director Zimmer. Upside-down Pangborn: First Across the Pacific. KSPS Public Television, 2002.
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