Παραπομπή APA

Pirani, F. (1969). ABC of relativity. Allen & Unwin.

Παραπομπή Chicago Style

Pirani, Felix. ABC of Relativity. London: Allen & Unwin, 1969.

Παραπομπή MLA

Pirani, Felix. ABC of Relativity. Allen & Unwin, 1969.