APA
                    Nuttall C. (. A. S. S. J. &. S. B., . (1969). Elided forms (auxiliaries and anomalous finites - affirmative) - Unit 14 student book. Longman Group Limited, London: .
                
                    Chicago
                    Nuttall C.E (Ed) Anderson S.D Shepherd J.P.B & Susilvorn B.J, . 1969. Elided forms (auxiliaries and anomalous finites - affirmative) - Unit 14 student book. Longman Group Limited, London: .
                
                    Harvard
                    Nuttall C. (. A. S. S. J. &. S. B., . (1969). Elided forms (auxiliaries and anomalous finites - affirmative) - Unit 14 student book. Longman Group Limited, London: .
                
                    MLA
                    Nuttall C.E (Ed) Anderson S.D Shepherd J.P.B & Susilvorn B.J, . Elided forms (auxiliaries and anomalous finites - affirmative) - Unit 14 student book. Longman Group Limited, London: . 1969.