Gaya APA
L., B., H., T., C., V. (1986).
Business research methods / Vernon T. Clover, Howard L. Balsley (Ed.ke-3).
Ohio:
Grid Publishing.
Gaya MLA
Balsley, Howard, L.., Clover, Vernon, T..
"Business research methods / Vernon T. Clover, Howard L. Balsley".
Ed.ke-3
Ohio:
Grid Publishing,
1986.
Textbook.