Widjaja, G. (2008). Real estate investment trusts. RajaGrafindo Persada.
Chicago Style aipamenaWidjaja, Gunawan. Real Estate Investment Trusts. RajaGrafindo Persada, 2008.
MLA aipamenaWidjaja, Gunawan. Real Estate Investment Trusts. RajaGrafindo Persada, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.