Gaya APA
Stanton, W, J., Buskirk, R, H.
(1987).
Management of the Sales Force
(
Ed. 7)
.
The USA:
Irwin.
Gaya MLA
Stanton, William, J.., Buskirk, Richard, H..
"Management of the Sales Force".
Ed. 7
The USA:
Irwin,
1987.
Buku.