(1993). Logic programming languages: Constraints, functions, and objects / edited by K.R. Apt, J.W. de Bakker, and J.J.M.M. Rutten.
Chicago-viite (17. p.)Logic Programming Languages: Constraints, Functions, and Objects / Edited by K.R. Apt, J.W. De Bakker, and J.J.M.M. Rutten. 1993.
MLA-viite (9. p.)Logic Programming Languages: Constraints, Functions, and Objects / Edited by K.R. Apt, J.W. De Bakker, and J.J.M.M. Rutten. 1993.
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