Gaya APA
Davis, John W.. (1980).
English for commercial students (Cet. 1).
HongKong:
Times Educational.
Gaya Chicago
Davis, John W..
English for commercial students.
Cet. 1
HongKong:
Times Educational,
1980.
Text.
Gaya MLA
Davis, John W..
English for commercial students.
Cet. 1
HongKong:
Times Educational,
1980.
Text.
Gaya Turabian
Davis, John W..
English for commercial students.
Cet. 1
HongKong:
Times Educational,
1980.
Print.