MURPHY, R. (2016). ESSENTIAL ENGLISH GRAMMAR A SELF STUDY REFERENCE AND PRATICE BOOK FOR STUDENTS OF ENGLISH WITH ANSWERS. CAMBRIDGE UNIVERSITY PRESS.
Chicago-viite (17. p.)MURPHY, RAYMOND. ESSENTIAL ENGLISH GRAMMAR A SELF STUDY REFERENCE AND PRATICE BOOK FOR STUDENTS OF ENGLISH WITH ANSWERS. DELHI: CAMBRIDGE UNIVERSITY PRESS, 2016.
MLA-viite (9. p.)MURPHY, RAYMOND. ESSENTIAL ENGLISH GRAMMAR A SELF STUDY REFERENCE AND PRATICE BOOK FOR STUDENTS OF ENGLISH WITH ANSWERS. CAMBRIDGE UNIVERSITY PRESS, 2016.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.