PH Collin. (1988). Dictionary of ecology and the environment. Universal bookstall.
Citación estilo ChicagoPH Collin. Dictionary of Ecology and the Environment. Delhi: Universal bookstall, 1988.
Cita MLAPH Collin. Dictionary of Ecology and the Environment. Universal bookstall, 1988.
Warning: These citations may not always be 100% accurate.