Fraser, W. &. (1966). Heath's practical french grammar. George G. harrap.
Cita Chicago (17th ed.)Fraser, W.H. &. Heath's Practical French Grammar. London: George G. harrap, 1966.
Cita MLA (9th ed.)Fraser, W.H. &. Heath's Practical French Grammar. George G. harrap, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.