Παραπομπή APA

(1969). Report of the environmental study group of the environmental studies board to the National Academy of sciences National Academy of Engineering.

Παραπομπή Chicago Style

Report of the Environmental Study Group of the Environmental Studies Board to the National Academy of Sciences National Academy of Engineering. 1969.

Παραπομπή MLA

Report of the Environmental Study Group of the Environmental Studies Board to the National Academy of Sciences National Academy of Engineering. 1969.

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