APA (7th ed.) Zitazioa
Piotr Pachura. Regional Cohesion: Effectiveness of Network Structures. Physica.
Chicago Style (17th ed.) Zitazioa
Piotr Pachura. Regional Cohesion: Effectiveness of Network Structures. Heidelberg, Alemania: Physica.
MLA (9th ed.) Zitazioa
Piotr Pachura. Regional Cohesion: Effectiveness of Network Structures. Physica.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.