Gaya APA

Tumbuan, F, B, G. (2011). Indonesian Unincorporated Business Entities and The Limited Liability Company (Cet.1). Jakarta: PT Elex Media Komputindo.

Gaya MLA

Tumbuan, Fred, B., G.. "Indonesian Unincorporated Business Entities and The Limited Liability Company". Cet.1 Jakarta: PT Elex Media Komputindo, 2011. Text.