Jespersen, O. (1951). The philosophy of grammar. George Allen & Unwin.
Cita Chicago (17th ed.)Jespersen, Otto. The Philosophy of Grammar. London: George Allen & Unwin, 1951.
Cita MLA (8th ed.)Jespersen, Otto. The Philosophy of Grammar. George Allen & Unwin, 1951.
Atenció: Aquestes cites poden no estar 100% correctes.