Gaya APA
Cornelius Jr., Edwin T.. (1992).
New english course 6 .
Singapore:
Prentice-Hall, Inc.
Gaya Chicago
Cornelius Jr., Edwin T..
New english course 6.
Singapore:
Prentice-Hall, Inc,
1992.
Text.
Gaya MLA
Cornelius Jr., Edwin T..
New english course 6.
Singapore:
Prentice-Hall, Inc,
1992.
Text.
Gaya Turabian
Cornelius Jr., Edwin T..
New english course 6.
Singapore:
Prentice-Hall, Inc,
1992.
Print.