Hawksworth,David L, . K. P. M. e., & Clarke , S. D. (1997). Biodiversity information: Needs and Options. CABI.
Chicago Style aipamenaHawksworth,David L, Kirk Paul M ed, and Stella Dextre Clarke. Biodiversity Information: Needs and Options. uk: CABI, 1997.
MLA aipamenaHawksworth,David L, Kirk Paul M ed, and Stella Dextre Clarke. Biodiversity Information: Needs and Options. CABI, 1997.
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