Beattie, A. J. 1., Brantjes, N. B. M. 1., Corbet, S. A. 1., Eisikowitch, D., Faegri, K. P. O., & Richards, A. J. 1. (1978). The pollination of flowers by insects. London: AP.

Beattie, Andrew James 1943-, Nicolaas Bernardus Maria 1946- Brantjes, Sarah Alexandra 1940- Corbet, Dan Eisikowitch, K. P. O. Faegri, and Adrian John 1943- Richards. The Pollination of Flowers By Insects. London: AP, 1978.

Beattie, Andrew James 1943-, et al. The Pollination of Flowers By Insects. London: AP, 1978.