Murphy, R. Basic Grammar in use. Reference and practice for students of English (5a ed.).
Čikaški stil citiranja (17. izdanje)Murphy, Raymond. Basic Grammar in Use. Reference and Practice for Students of English. 5a ed.
MLA način citiranja (8. izdanje)Murphy, Raymond. Basic Grammar in Use. Reference and Practice for Students of English. 5a ed.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.