Sixma, T. K. (1992). The three-dimensional structure of Escherichia coli heat-labile enterotoxin in relation to its function. Rijksuniversiteit te Groningen.
Čikaški stil citiranja (17. izdanje)Sixma, Titia Karen. The Three-dimensional Structure of Escherichia Coli Heat-labile Enterotoxin in Relation to Its Function. Netherlands: Rijksuniversiteit te Groningen, 1992.
MLA način citiranja (8. izdanje)Sixma, Titia Karen. The Three-dimensional Structure of Escherichia Coli Heat-labile Enterotoxin in Relation to Its Function. Rijksuniversiteit te Groningen, 1992.
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