Gaya APA
Ashley, A.. (1989).
Basic office English .
Jakarta:
Binarupa Aksara.
Gaya Chicago
Ashley, A..
Basic office English.
Jakarta:
Binarupa Aksara,
1989.
Text.
Gaya MLA
Ashley, A..
Basic office English.
Jakarta:
Binarupa Aksara,
1989.
Text.
Gaya Turabian
Ashley, A..
Basic office English.
Jakarta:
Binarupa Aksara,
1989.
Print.