Παραπομπή APA

Filon, S. P. L. (1977). The National Central Library. Lib Ass.

Παραπομπή Chicago Style

Filon, S P L. The National Central Library. London: Lib Ass, 1977.

Παραπομπή MLA

Filon, S P L. The National Central Library. Lib Ass, 1977.