Ward , J. (1970). Pecnliarities in English Grammer. Longman Green.
Cita Chicago (17th ed.)Ward , John. Pecnliarities in English Grammer. London: Longman Green, 1970.
Cita MLA (9th ed.)Ward , John. Pecnliarities in English Grammer. Longman Green, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.