APA-viite

Hawksworth,David L, . K. P. M. e., & Clarke , S. D. (1997). Biodiversity information: Needs and Options. CABI.

Chicago-tyylinen lähdeviittaus

Hawksworth,David L, Kirk Paul M ed, ja Stella Dextre Clarke. Biodiversity Information: Needs and Options. uk: CABI, 1997.

MLA-viite

Hawksworth,David L, Kirk Paul M ed, ja Stella Dextre Clarke. Biodiversity Information: Needs and Options. CABI, 1997.