Gaya APA
Lewis, A., widowatie, D, S. (2009).
Dasar-dasar hukum bisnis (Introduction to business law) .
Yogyakarta:
Nusa Media.
Gaya MLA
Lewis, Arthur., widowatie, Derta, Sri.
"Dasar-dasar hukum bisnis (Introduction to business law)".
Yogyakarta:
Nusa Media,
2009.
Text.