Franklin, J. F., & Dyrness, C. T. (1988). Natural vegetation of Oregon and Washington. Oregon State University Press.
Cita Chicago Style (17a ed.)Franklin, Jerry F., y C. T. Dyrness. Natural Vegetation of Oregon and Washington. [Corvallis, Or.]: Oregon State University Press, 1988.
Cita MLA (8a ed.)Franklin, Jerry F., y C. T. Dyrness. Natural Vegetation of Oregon and Washington. Oregon State University Press, 1988.
Precaución: Estas citas no son 100% exactas.