Gaya APA
Etherton, A.
(1972).
Contact : A Secondary English Course Book 4
.
Kuala Lumpur:
Longman Malaysia SDN Berhad.
Gaya MLA
Etherton, A.R.B.
"Contact : A Secondary English Course Book 4".
Kuala Lumpur:
Longman Malaysia SDN Berhad,
1972.
Text.