Gaya APA
Heskett, James L, Sasser, W. Earl. (1990).
Service breakhtroughs : changing the rules of the game .
New York:
The Free Press.
Gaya Chicago
Heskett, James L, Sasser, W. Earl.
Service breakhtroughs : changing the rules of the game.
New York:
The Free Press,
1990.
Buku.
Gaya MLA
Heskett, James L, Sasser, W. Earl.
Service breakhtroughs : changing the rules of the game.
New York:
The Free Press,
1990.
Buku.
Gaya Turabian
Heskett, James L, Sasser, W. Earl.
Service breakhtroughs : changing the rules of the game.
New York:
The Free Press,
1990.
Buku.