Ali, A. f. r. (2007). Fundamentals of english grammar a practical guide. Pustaka Widyatama.
Chicago Style aipamenaAli, A. faidlal rahman. Fundamentals of English Grammar a Practical Guide. Pustaka Widyatama, 2007.
MLA aipamenaAli, A. faidlal rahman. Fundamentals of English Grammar a Practical Guide. Pustaka Widyatama, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.