Gaya APA
Business Issue Today. (1982).
Amerika:
Macmillan Publishing.
Gaya Chicago
Business Issue Today.
.
Amerika:
Macmillan Publishing,
1982.
.
Gaya MLA
Business Issue Today.
.
Amerika:
Macmillan Publishing,
1982.
.
Gaya Turabian
Business Issue Today.
Amerika:
Macmillan Publishing,
1982.
.