Gaya APA

Still only one earth progress in the 40 years since the first UN Conference on the Environment [sumber elektronik] / edited by R.E. Hester and R.M. Harrison. (2015). : .

Gaya MLA

Still only one earth progress in the 40 years since the first UN Conference on the Environment [sumber elektronik] / edited by R.E. Hester and R.M. Harrison. . : , 2015. Text.