Wallach, J., Wallach, J., & Kollek, T. (1989). Still smal voices: John and Janet Wallach. With a forew. by Teddy Kollek. Harcourt Brace Jovanovich.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWallach, John, Janet Wallach, और Teddy Kollek. Still Smal Voices: John and Janet Wallach. With a Forew. by Teddy Kollek. San Diego, Calif. [u.a.]: Harcourt Brace Jovanovich, 1989.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWallach, John, et al. Still Smal Voices: John and Janet Wallach. With a Forew. by Teddy Kollek. Harcourt Brace Jovanovich, 1989.
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