Gaya APA
Speegle, R., Giesecke, W, B. (1983).
Business World A collection of readings on contemporary issues .
New York:
Oxford Amrican English.
Gaya MLA
Speegle, Roger., Giesecke, William, B..
"Business World A collection of readings on contemporary issues".
New York:
Oxford Amrican English,
1983.
Text.