Gerritsen, T. (2010). In their footsteps. Severn House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGerritsen, Tess. In Their Footsteps. Sutton: Severn House, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGerritsen, Tess. In Their Footsteps. Severn House, 2010.
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