1.
The AAAS observer. Washington, D.C: American Association for the Advancement of Science; 1989.
The AAAS observer. Washington, D.C : American Association for the Advancement of Science, 25 avril 1989
American association for the advancement of science. (1989). The AAAS observer. American Association for the Advancement of Science.
Style de citation MLA (8e éd.)American association for the advancement of science. The AAAS Observer. American Association for the Advancement of Science, 1989.
Attention : ces citations peuvent ne pas être correctes à 100%.