Gaya APA
Harris, M. (1991).
Prentice hall reference guide to grammar and usage : Muriel Harris .
Englewood Cliffs:
Prentice Hall.
Gaya MLA
Harris, Muriel.
"Prentice hall reference guide to grammar and usage : Muriel Harris".
Englewood Cliffs:
Prentice Hall,
1991.
Buku.