APA
Gebhardt F., . (1997). Reasoning With Complex Cases. Boston: Kluwer Academic.
Chicago
Gebhardt Friedrich, . 1997. Reasoning With Complex Cases. Boston: Kluwer Academic.
Harvard
Gebhardt F., . (1997). Reasoning With Complex Cases. Boston: Kluwer Academic.
MLA
Gebhardt Friedrich, . Reasoning With Complex Cases. Boston: Kluwer Academic. 1997.