Gaya APA
EBBITT, W, R., EBBITT, D, R. (1982).
Writer's guide and index to english (7th ed.).
Glenview:
Scott, Foresman.
Gaya MLA
EBBITT, Wilma, R., EBBITT, David, R,.
"Writer's guide and index to english".
7th ed.
Glenview:
Scott, Foresman,
1982.
Buku.