Oregon State University. Center for the Study of the First Americans, Bonnichsen, R., & Turnmire, K. L. (1999). Ice Age people of North America: Environments, origins, and adaptations. Oregon State University Press for the Center for the Study of the First Americans.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOregon State University. Center for the Study of the First Americans, Robson Bonnichsen, और Karen L. Turnmire. Ice Age People of North America: Environments, Origins, and Adaptations. Corvallis: Oregon State University Press for the Center for the Study of the First Americans, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOregon State University. Center for the Study of the First Americans, et al. Ice Age People of North America: Environments, Origins, and Adaptations. Oregon State University Press for the Center for the Study of the First Americans, 1999.