Παραπομπή APA

Ayres, R. (1979). Uncertain future/1e: Dangers for decision makers. John Wiley.

Παραπομπή Chicago Style

Ayres, R.U. Uncertain Future/1e: Dangers for Decision Makers. New york: John Wiley, 1979.

Παραπομπή MLA

Ayres, R.U. Uncertain Future/1e: Dangers for Decision Makers. John Wiley, 1979.