Nelson, J. G., & Scace, R. C. (1970). Canadian parks in perspective. Montreal: Harvest House.
Παραπομπή Chicago StyleNelson, J. G., and R. C. Scace. Canadian Parks in Perspective. Montreal: Harvest House, 1970.
Παραπομπή MLANelson, J. G., and R. C. Scace. Canadian Parks in Perspective. Montreal: Harvest House, 1970.
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