SpringerLink (Online service), Coquand, T., Dybjer, P., Nordström, B., & Smith, J. (2000). Types for Proofs and Programs: International Workshop, TYPES'99, Lökeberg, Sweden, June 12-16, 1999, Selected Papers (1st ed. 2000.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-44557-9
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Thierry Coquand, Peter Dybjer, Bengt Nordström, και Jan Smith. Types for Proofs and Programs: International Workshop, TYPES'99, Lökeberg, Sweden, June 12-16, 1999, Selected Papers. 1st ed. 2000. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2000. https://doi.org/10.1007/3-540-44557-9.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Types for Proofs and Programs: International Workshop, TYPES'99, Lökeberg, Sweden, June 12-16, 1999, Selected Papers. 1st ed. 2000. Springer Berlin Heidelberg : Imprint: Springer, 2000. https://doi.org/10.1007/3-540-44557-9.
