APA-čujuhus (7. p.)
Darling, S. T., & Smillie, W. G. (1921). Studies on hookworm infection in Brazil: P.1.
Chicago-čujuhus (17. p.)
Darling, Samuel Taylor, juo Wilson George Smillie. Studies on Hookworm Infection in Brazil: P.1. New York, 1921.
MLA-čujuhus (9. p.)
Darling, Samuel Taylor, juo Wilson George Smillie. Studies on Hookworm Infection in Brazil: P.1. 1921.
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