Ngā kupu hautoa kōpae

Tohutoro APA (7th ed.)
Lesley J. Peter. (1888). Atlas to accompany part 4, Annual Report of the Geological Survey of Pennsylvania for 1886. William A. Ingham.
Tohutoru Kātū Chicago (17th ed.)
Lesley J. Peter. Atlas to Accompany Part 4, Annual Report of the Geological Survey of Pennsylvania for 1886. William A. Ingham, 1888.
Tohutoro MLA (9th ed.)
Lesley J. Peter. Atlas to Accompany Part 4, Annual Report of the Geological Survey of Pennsylvania for 1886. William A. Ingham, 1888.
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