Otto Jespersen. (2010). The Philosophy of Grammar. Routledge.
Cita Chicago (17th ed.)Otto Jespersen. The Philosophy of Grammar. New York: Routledge, 2010.
Cita MLA (9th ed.)Otto Jespersen. The Philosophy of Grammar. Routledge, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.