Chaps, B., & Troester, R. R. (1989). Oral history interview with Bob Chaps.
Čikaški stil citiranja (17. izdanje)Chaps, Bob, i Rosalie Riegle Troester. Oral History Interview with Bob Chaps. 1989.
MLA način citiranja (8. izdanje)Chaps, Bob, i Rosalie Riegle Troester. Oral History Interview with Bob Chaps. 1989.
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