Gaya APA
Ashley, A. (1986).
Business english : practice book 1 basic english for commercial practice .
London:
Binarupa Aksara.
Gaya Chicago
Ashley, A.
Business english : practice book 1 basic english for commercial practice.
London:
Binarupa Aksara,
1986.
Text.
Gaya MLA
Ashley, A.
Business english : practice book 1 basic english for commercial practice.
London:
Binarupa Aksara,
1986.
Text.
Gaya Turabian
Ashley, A.
Business english : practice book 1 basic english for commercial practice.
London:
Binarupa Aksara,
1986.
Print.