Barret, G. (2016). Perfect English Grammar: The indispensable guide to excellent writing and speaking. Zephyros Press.
Chicago Style (17th ed.) CitationBarret, Grant. Perfect English Grammar: The Indispensable Guide to Excellent Writing and Speaking. California: Zephyros Press, 2016.
MLA (9th ed.) CitationBarret, Grant. Perfect English Grammar: The Indispensable Guide to Excellent Writing and Speaking. Zephyros Press, 2016.
Warning: These citations may not always be 100% accurate.