Gaya APA
Cornelius, Edwin T. (1986).
New English course 4 part B .
San Fransisco:
English Language Services.
Gaya Chicago
Cornelius, Edwin T.
New English course 4 part B.
San Fransisco:
English Language Services,
1986.
Buku.
Gaya MLA
Cornelius, Edwin T.
New English course 4 part B.
San Fransisco:
English Language Services,
1986.
Buku.
Gaya Turabian
Cornelius, Edwin T.
New English course 4 part B.
San Fransisco:
English Language Services,
1986.
Buku.