Gaya APA
Welch, Joe L, Lapp, Charles L. (1983).
Sales force management .
Cincinnati, Ohio:
South Western.
Gaya Chicago
Welch, Joe L, Lapp, Charles L.
Sales force management.
Cincinnati, Ohio:
South Western,
1983.
Buku.
Gaya MLA
Welch, Joe L, Lapp, Charles L.
Sales force management.
Cincinnati, Ohio:
South Western,
1983.
Buku.
Gaya Turabian
Welch, Joe L, Lapp, Charles L.
Sales force management.
Cincinnati, Ohio:
South Western,
1983.
Buku.