Gaya APA
Sadi Is, Muhamad. (1993).
50 Ways To WIN New Customers .
Singaore:
.
Gaya Chicago
Sadi Is, Muhamad.
50 Ways To WIN New Customers.
Singaore:
,
1993.
Text.
Gaya MLA
Sadi Is, Muhamad.
50 Ways To WIN New Customers.
Singaore:
,
1993.
Text.
Gaya Turabian
Sadi Is, Muhamad.
50 Ways To WIN New Customers.
Singaore:
,
1993.
Print.