Gaya APA
Dick, C., Jeff, D. (1993).
Getting new clients / Dick Connor, Jeff Davidson (Ed.ke-2).
New York:
John Wiley n Sons.
Gaya MLA
Connor, Dick., Davidson, Jeff.
"Getting new clients / Dick Connor, Jeff Davidson".
Ed.ke-2
New York:
John Wiley n Sons,
1993.
Textbook.