Citace podle APA (7th ed.)

Não informado. (1926). Collected papers. University of Puerto Rico, School of Tropical Medicine.

Citace podle Chicago (17th ed.)

Não informado. Collected Papers. San Juan: University of Puerto Rico, School of Tropical Medicine, 1926.

Citace podle MLA (8th ed.)

Não informado. Collected Papers. University of Puerto Rico, School of Tropical Medicine, 1926.

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