Παραπομπή APA

(1973). Centre for Environmental Studies: Sixth annual report April 1972 to March 1973. London: Centre for Environmental Studies.

Παραπομπή Chicago Style

Centre for Environmental Studies: Sixth Annual Report April 1972 to March 1973. London: Centre for Environmental Studies, 1973.

Παραπομπή MLA

Centre for Environmental Studies: Sixth Annual Report April 1972 to March 1973. London: Centre for Environmental Studies, 1973.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.