Manning, R. E., & Manning, M. S. (2013). Walking distance: Extraordinary hikes for ordinary people. Oregon State University Press.
Cita Chicago Style (17a ed.)Manning, Robert E., y Martha S. Manning. Walking Distance: Extraordinary Hikes for Ordinary People. Corvalis: Oregon State University Press, 2013.
Cita MLA (8a ed.)Manning, Robert E., y Martha S. Manning. Walking Distance: Extraordinary Hikes for Ordinary People. Oregon State University Press, 2013.
Precaución: Estas citas no son 100% exactas.