Gourville, H. d. (1959). The Modern Handbook of English (13th.ed.). Crespillo.
Cita Chicago (17th ed.)Gourville, H.D. de. The Modern Handbook of English. 13th.ed. Buenos Aires: Crespillo, 1959.
Cita MLA (9th ed.)Gourville, H.D. de. The Modern Handbook of English. 13th.ed. Crespillo, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.