Bird, R., & Paterson, R. (1999). de Bruijn Notation as a Nested Datatype.
Chicago-čujuhus (17. p.)Bird, R., juo R. Paterson. De Bruijn Notation as a Nested Datatype. 1999.
MLA-čujuhus (9. p.)Bird, R., juo R. Paterson. De Bruijn Notation as a Nested Datatype. 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.