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