Não informado. (1961). Selected Papers. Royal Netherlands Tuberculosis Association.
Style de citation Chicago (17e éd.)Não informado. Selected Papers. The Hague, Holanda: Royal Netherlands Tuberculosis Association, 1961.
Style de citation MLA (8e éd.)Não informado. Selected Papers. Royal Netherlands Tuberculosis Association, 1961.
Attention : ces citations peuvent ne pas être correctes à 100%.