Gaya APA
Binham, Philip. (1969).
Executive English (Edisi II).
London:
Longman Group Limited.
Gaya Chicago
Binham, Philip.
Executive English.
Edisi II
London:
Longman Group Limited,
1969.
Text.
Gaya MLA
Binham, Philip.
Executive English.
Edisi II
London:
Longman Group Limited,
1969.
Text.
Gaya Turabian
Binham, Philip.
Executive English.
Edisi II
London:
Longman Group Limited,
1969.
Print.