(2019). 推进技术．2019,no. 7,9.
Chicago Style aipamena推进技术．2019,no. 7,9. 2019.
MLA aipamena推进技术．2019,no. 7,9. 2019.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena
(2019). 推进技术．2019,no. 7,9.
Chicago Style aipamena推进技术．2019,no. 7,9. 2019.
MLA aipamena推进技术．2019,no. 7,9. 2019.