May, G. H. (1996). The future is ours: Foreseeing, managing, and creating the future. Praeger.
Παραπομπή σε μορφή Chicago (17η εκδ.)May, Graham H. The Future Is Ours: Foreseeing, Managing, and Creating the Future. Westport, Conn.: Praeger, 1996.
Παραπομπή σε μορφή MLA (9th εκδ.)May, Graham H. The Future Is Ours: Foreseeing, Managing, and Creating the Future. Praeger, 1996.