Não informado. (1986). Petri Net Newsletter. Special Interest Group Petri Nets and Related Systems Models of Gesellschaft fur Informatik.
Chicago-referens (17:e uppl.)Não informado. Petri Net Newsletter. Bonn, Alemanha: Special Interest Group Petri Nets and Related Systems Models of Gesellschaft fur Informatik, 1986.
MLA-referens (8:e uppl.)Não informado. Petri Net Newsletter. Special Interest Group Petri Nets and Related Systems Models of Gesellschaft fur Informatik, 1986.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.