Ermans, . A. M. (1990). The Role of cassava in the etiology of endemic goiter and cretinism: A.M. Ermans ... [et al.]. International Development Research Centre.
Citace podle Chicago (17th ed.)Ermans, A. M. The Role of Cassava in the Etiology of Endemic Goiter and Cretinism: A.M. Ermans ... [et Al.]. Ottawa: International Development Research Centre, 1990.
Citace podle MLA (9th ed.)Ermans, A. M. The Role of Cassava in the Etiology of Endemic Goiter and Cretinism: A.M. Ermans ... [et Al.]. International Development Research Centre, 1990.
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