NEUMAN, D. (1980). English grammar for proficiency. D.M. Neuman.
Cita Chicago (17th ed.)NEUMAN, D.M. English Grammar for Proficiency. Nairobi: D.M. Neuman, 1980.
Cita MLA (9th ed.)NEUMAN, D.M. English Grammar for Proficiency. D.M. Neuman, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.