APA-ийн эшлэл(7 дахь хэвлэлт)
Murphy, R. (1998). Essential english grammar: A self-study reference and practice book for elementary students of english; with answers (2nd ed.). CUP.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Murphy, Raymond. Essential English Grammar: A Self-study Reference and Practice Book for Elementary Students of English; with Answers. 2nd ed. Cambridge: CUP, 1998.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Murphy, Raymond. Essential English Grammar: A Self-study Reference and Practice Book for Elementary Students of English; with Answers. 2nd ed. CUP, 1998.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.