Gaya APA
Cornelius, E, T.
(1979).
New English Course : Workbook 4 Part A
.
Jakarta:
Bentara Antar Asia School Div.
Gaya MLA
Cornelius, Edwin, T..
"New English Course : Workbook 4 Part A".
Jakarta:
Bentara Antar Asia School Div,
1979.
Text.