ebrary, Inc, White, W. B., & Culver, D. C. (2012). Encyclopedia of caves (2nd ed.). Elsevier.
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Chicago Style (17th ed.) Citation
ebrary, Inc, William B. White, and David C. Culver. Encyclopedia of Caves. 2nd ed. Waltham, Mass.: Elsevier, 2012.
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ציטוט MLA
ebrary, Inc, et al. Encyclopedia of Caves. 2nd ed. Elsevier, 2012.
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אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.