Zarrella, J., Zarrella, M. A., & Troester, R. R. (1989). Oral history interview with Joe and Mary Alice Zarrella.
Chicago Style aipamenaZarrella, Joe, Mary Alice Zarrella, and Rosalie Riegle Troester. Oral History Interview with Joe and Mary Alice Zarrella. 1989.
MLA aipamenaZarrella, Joe, et al. Oral History Interview with Joe and Mary Alice Zarrella. 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.