Widjaja, G. (2008). Sertifikat penitipan efek Indonesia (Indonesian Depository receipt). RajaGrafindo Persada.
Chicago Style (17th ed.) CitationWidjaja, Gunawan. Sertifikat Penitipan Efek Indonesia (Indonesian Depository Receipt). RajaGrafindo Persada, 2008.
MLA (8th ed.) CitationWidjaja, Gunawan. Sertifikat Penitipan Efek Indonesia (Indonesian Depository Receipt). RajaGrafindo Persada, 2008.
Warning: These citations may not always be 100% accurate.