Shepherd, B., Troester, R. R., & Shepherd, M. (1986). Oral history interview with Bill and Mary Shepherd.
Lua i Stíl Chicago (17ú heag.)Shepherd, Bill, Rosalie Riegle Troester, agus Mary Shepherd. Oral History Interview with Bill and Mary Shepherd. 1986.
Lua MLA (8ú heag.)Shepherd, Bill, et al. Oral History Interview with Bill and Mary Shepherd. 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.