Παραπομπή σε μορφή APA (7η εκδ.)

Hawksworth, D. L. (1996). Biodiversity: Measurement and estimation. Chapman & Hall in association with The Royal Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hawksworth, D. L. Biodiversity: Measurement and Estimation. London: Chapman & Hall in association with The Royal Society, 1996.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hawksworth, D. L. Biodiversity: Measurement and Estimation. Chapman & Hall in association with The Royal Society, 1996.