APA-Zitierstil (7. Ausg.)

(1972). It is not too late - yet: A look at some pollution problems in Canada's natural environment ; an identification of some major concerns.

Chicago-Zitierstil (17. Ausg.)

It Is Not Too Late - yet: A Look at Some Pollution Problems in Canada's Natural Environment ; an Identification of Some Major Concerns. Ottawa, 1972.

MLA-Zitierstil (9. Ausg.)

It Is Not Too Late - yet: A Look at Some Pollution Problems in Canada's Natural Environment ; an Identification of Some Major Concerns. 1972.