Não informado. (1956). National Library of Medicine Catalog. National Library of Medicine.
Style de citation Chicago (17e éd.)Não informado. National Library of Medicine Catalog. Washington: National Library of Medicine, 1956.
Style de citation MLA (8e éd.)Não informado. National Library of Medicine Catalog. National Library of Medicine, 1956.
Attention : ces citations peuvent ne pas être correctes à 100%.