Gaya APA
Binham, Philip. (1970).
Executive English (Edisi III).
London:
Longman Group Limited.
Gaya Chicago
Binham, Philip.
Executive English.
Edisi III
London:
Longman Group Limited,
1970.
Text.
Gaya MLA
Binham, Philip.
Executive English.
Edisi III
London:
Longman Group Limited,
1970.
Text.
Gaya Turabian
Binham, Philip.
Executive English.
Edisi III
London:
Longman Group Limited,
1970.
Print.