David L Hawksworth, Dextre S Clarke, & PM Kirk. (1997). Biodiversity information: Needs and options (1st.). CAB International.
Chicago Edition CitationDavid L Hawksworth, Dextre S Clarke, and PM Kirk. Biodiversity Information: Needs and Options. 1st. UK: CAB International, 1997.
MLA Edition CitationDavid L Hawksworth, et al. Biodiversity Information: Needs and Options. 1st. CAB International, 1997.
Warning: These citations may not always be 100% accurate.