APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.