Ball, J. (1887). Notes of a naturalist in South America (1a. ed.). Kegan Paul, Trench & Co.

Ball, John. Notes of a Naturalist in South America. 1a. ed. Londres: Kegan Paul, Trench & Co, 1887.

Ball, John. Notes of a Naturalist in South America. 1a. ed. Kegan Paul, Trench & Co, 1887.