Gaya APA
Kench, A.B.. (1972).
The Language of English Business Letters .
London:
Macmillan Educational Limited.
Gaya Chicago
Kench, A.B..
The Language of English Business Letters.
London:
Macmillan Educational Limited,
1972.
Text.
Gaya MLA
Kench, A.B..
The Language of English Business Letters.
London:
Macmillan Educational Limited,
1972.
Text.
Gaya Turabian
Kench, A.B..
The Language of English Business Letters.
London:
Macmillan Educational Limited,
1972.
Print.