APA

Dau F., . (2003). The Logic System of Concept Graphs with Negation. Berlin, Heidelberg: Springer Berlin Heidelberg.

Chicago

Dau Frithjof, . 2003. The Logic System of Concept Graphs with Negation. Berlin, Heidelberg: Springer Berlin Heidelberg.

Harvard

Dau F., . (2003). The Logic System of Concept Graphs with Negation. Berlin, Heidelberg: Springer Berlin Heidelberg.

MLA

Dau Frithjof, . The Logic System of Concept Graphs with Negation. Berlin, Heidelberg: Springer Berlin Heidelberg. 2003.