APA (7th ed.) Zitazioa
International Journal of Business & Economics (IJBE). Association-Institute for English Language and American Studies.
Chicago Style (17th ed.) Zitazioa
International Journal of Business & Economics (IJBE). Association-Institute for English Language and American Studies.
MLA (9th ed.) Zitazioa
International Journal of Business & Economics (IJBE). Association-Institute for English Language and American Studies.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.