Tohutoro APA (7th ed.)
Crampton, H. E. (1916). Studies on the variation, distribution and evolution of the genus Partula.
Tohutoru Kātū Chicago (17th ed.)
Crampton, Henry Edward. Studies on the Variation, Distribution and Evolution of the Genus Partula. Washington, 1916.
Tohutoro MLA (9th ed.)
Crampton, Henry Edward. Studies on the Variation, Distribution and Evolution of the Genus Partula. 1916.
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