Pratt, S. (1968). Practical French: Book 4 Vol 4. Longmans.
Cita Chicago (17th ed.)Pratt, SAM. Practical French: Book 4 Vol 4. London: Longmans, 1968.
Cita MLA (9th ed.)Pratt, SAM. Practical French: Book 4 Vol 4. Longmans, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.