Παραπομπή APA

Trevelyan, G. (1960). Illustrated English Social History. Penguin books.

Παραπομπή Chicago Style

Trevelyan, G.M. Illustrated English Social History. England: Penguin books, 1960.

Παραπομπή MLA

Trevelyan, G.M. Illustrated English Social History. Penguin books, 1960.