Gaya APA
BINHAM, Philip. (1968).
Executive engglish book 1 .
London:
Longman Group Limited.
Gaya Chicago
BINHAM, Philip.
Executive engglish book 1.
London:
Longman Group Limited,
1968.
BUKU.
Gaya MLA
BINHAM, Philip.
Executive engglish book 1.
London:
Longman Group Limited,
1968.
BUKU.
Gaya Turabian
BINHAM, Philip.
Executive engglish book 1.
London:
Longman Group Limited,
1968.
BUKU.