Firsten & Killian. (1994). Troublesome english: A teaching grammar for esol instructors. Prentice Hall Regents.
Chicago Style (17th ed.) CitationFirsten and Killian. Troublesome English: A Teaching Grammar for Esol Instructors. New Jersey: Prentice Hall Regents, 1994.
MLA (9th ed.) CitationFirsten and Killian. Troublesome English: A Teaching Grammar for Esol Instructors. Prentice Hall Regents, 1994.
Warning: These citations may not always be 100% accurate.