Gaya APA
Baugh, L, S. (2005).
Essentials of English Grammar: The Quick Guide to Good English (Edisi Ketiga).
New York, USA:
McGraw-Hill Education.
Gaya MLA
Baugh, L., Sue.
"Essentials of English Grammar: The Quick Guide to Good English".
Edisi Ketiga
New York, USA:
McGraw-Hill Education,
2005.
Text.