Niswatin Nurul Hidayati
Brainbooster Total Complete Big Book Tenses Grammar Vocabulary
Efde Media Publisher, 2022
Buku Teks SO
Gede Eka Putrawan
Essentials of English : pemahaman dasar kelas kata dan tenses bahasa Inggris
Graha Ilmu, 2018
Buku Teks SO
Dictionary of grammar : get result!
Geddes & Grosset, 2003
Buku Referensi
Pence, R.W.
A grammar of present-day English / R. W. Pence
Macmillan, 1950
Buku Teks
Dummett, Michael
Grammar and style for examination candidates and others / Michael Dummett
Duckworth , 1993
Buku Teks SO