Humphrey, M., & Troester, R. R. (1989). Oral history interview with Mike Humphrey.
Chicago Style aipamenaHumphrey, Mike, and Rosalie Riegle Troester. Oral History Interview with Mike Humphrey. 1989.
MLA aipamenaHumphrey, Mike, and Rosalie Riegle Troester. Oral History Interview with Mike Humphrey. 1989.
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