Gaya APA
Costinett, Sandra. (1994).
a Communicative Course in English : spectrum 5 / Sandra Costinett, Donald R. H. Byrd .
New York:
Longman.
Gaya Chicago
Costinett, Sandra.
a Communicative Course in English : spectrum 5 / Sandra Costinett, Donald R. H. Byrd.
New York:
Longman,
1994.
Buku.
Gaya MLA
Costinett, Sandra.
a Communicative Course in English : spectrum 5 / Sandra Costinett, Donald R. H. Byrd.
New York:
Longman,
1994.
Buku.
Gaya Turabian
Costinett, Sandra.
a Communicative Course in English : spectrum 5 / Sandra Costinett, Donald R. H. Byrd.
New York:
Longman,
1994.
Buku.