APA način citiranja

Ashraf, P. K. (2017). Some studies on signed graphs. Kannur university.

Čikaški stil citiranja

Ashraf, P K. Some Studies on Signed Graphs. Kannur university, 2017.

MLA način citiranja

Ashraf, P K. Some Studies on Signed Graphs. Kannur university, 2017.

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