Παραπομπή APA

Russell, B. (1977). Sceptical essays. Unwin Paperbacks.

Παραπομπή Chicago Style

Russell, Bertrand. Sceptical Essays. London: Unwin Paperbacks, 1977.

Παραπομπή MLA

Russell, Bertrand. Sceptical Essays. Unwin Paperbacks, 1977.