Gaya APA
Johnson, S. et al
(2004).
The One Minute Sales Person (Salesman Satu Menit)
.
Batam:
Interaksara.
Gaya MLA
Johnson, Spencer. et al.
"The One Minute Sales Person (Salesman Satu Menit)".
Batam:
Interaksara,
2004.
Text.