Gaya APA
Widjaja, G., Angga, Y. (2008).
Real Estate Investment Trusts: Dana Investasi Real Estat (Cet. 1).
Jakarta:
RajaGrafindo Persada.
Gaya MLA
Widjaja, Gunawan., Angga, Yongki.
"Real Estate Investment Trusts: Dana Investasi Real Estat".
Cet. 1
Jakarta:
RajaGrafindo Persada,
2008.
Textbook.