Gaya APA
Martin, W, B. (2004).
Quality customer service cara jitu memikat hati pelanggan (quality customer service : how to win with the customer) (cet 1).
Jakarta:
Lembaga Manajemen PPM dan Penerbit PPM.
Gaya MLA
Martin, William, B..
"Quality customer service cara jitu memikat hati pelanggan (quality customer service : how to win with the customer)".
cet 1
Jakarta:
Lembaga Manajemen PPM dan Penerbit PPM,
2004.
BUKU.