Bogue, D. J., & Toro, J. O. (1974). Challenges to library service [soundrecording]: Some current problems and responses. CREDR Corp.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBogue, Donald J., और Jose Orlando Toro. Challenges to Library Service [soundrecording]: Some Current Problems and Responses. Los Angeles, Calif: CREDR Corp, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBogue, Donald J., और Jose Orlando Toro. Challenges to Library Service [soundrecording]: Some Current Problems and Responses. CREDR Corp, 1974.
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