APA

Dudley N., Cohen S., Stolton S., Barber C. V., Gidda S. B. & Mulongoy K. J. (2005). Towards effective protected area systems. Montreal, Canadá: Secretariat of the Convention on Biological Diversity.

Chicago

Dudley Nigel, Cohen Sheldon, Stolton Sue, Barber Charles Victor, Gidda Sarat Babu and Mulongoy Kalemani Jo. 2005. Towards effective protected area systems. Montreal, Canadá: Secretariat of the Convention on Biological Diversity.

Harvard

Dudley N., Cohen S., Stolton S., Barber C. V., Gidda S. B. and Mulongoy K. J. (2005). Towards effective protected area systems. Montreal, Canadá: Secretariat of the Convention on Biological Diversity.

MLA

Dudley Nigel, Cohen Sheldon, Stolton Sue, Barber Charles Victor, Gidda Sarat Babu and Mulongoy Kalemani Jo. Towards effective protected area systems. Montreal, Canadá: Secretariat of the Convention on Biological Diversity. 2005.