Gaya APA
Downing, Angela, Locke, Philip. (1995).
A University Course In Engllish Grammar .
England:
Phoenix ELT.
Gaya Chicago
Downing, Angela, Locke, Philip.
A University Course In Engllish Grammar.
England:
Phoenix ELT,
1995.
Buku Teks.
Gaya MLA
Downing, Angela, Locke, Philip.
A University Course In Engllish Grammar.
England:
Phoenix ELT,
1995.
Buku Teks.
Gaya Turabian
Downing, Angela, Locke, Philip.
A University Course In Engllish Grammar.
England:
Phoenix ELT,
1995.
Buku Teks.