Παραπομπή σε μορφή APA (7η εκδ.)

Sixma, T. K. (1992). The three-dimensional structure of Escherichia coli heat-labile enterotoxin in relation to its function. Rijksuniversiteit te Groningen.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sixma, Titia Karen. The Three-dimensional Structure of Escherichia Coli Heat-labile Enterotoxin in Relation to Its Function. Netherlands: Rijksuniversiteit te Groningen, 1992.

Παραπομπή σε μορφή MLA (8th εκδ.)

Sixma, Titia Karen. The Three-dimensional Structure of Escherichia Coli Heat-labile Enterotoxin in Relation to Its Function. Rijksuniversiteit te Groningen, 1992.