Gaya APA

Wirana, A, P., rahmanata, A, M. (2009). Commercial code of Indonesia (Ed. 1, Cet. 1.). Jakarta: LPFE UI.

Gaya MLA

Wirana, Andjar, Pachta., rahmanata, Antonius, Mickey. "Commercial code of Indonesia". Ed. 1, Cet. 1. Jakarta: LPFE UI, 2009. Buku.