Gaya APA
Walker, Churchill Ford. (1987).
Sales Force Management .
Singapore:
Irwin Toppan.
Gaya Chicago
Walker, Churchill Ford.
Sales Force Management.
Singapore:
Irwin Toppan,
1987.
Buku Teks.
Gaya MLA
Walker, Churchill Ford.
Sales Force Management.
Singapore:
Irwin Toppan,
1987.
Buku Teks.
Gaya Turabian
Walker, Churchill Ford.
Sales Force Management.
Singapore:
Irwin Toppan,
1987.
Buku Teks.