Gaya APA
Our planet vol. 5 [1993], no. 4 -- Biodiversity : the practicalities of sustainable development. (1993).
:
Nairobi, UNEP.
Gaya MLA
Our planet vol. 5 [1993], no. 4 -- Biodiversity : the practicalities of sustainable development.
.
:
Nairobi, UNEP,
1993.
Text.