Gaya APA

Widjaja, G., Angga, Y. (2008). Real Estate Investment Trusts (Ed. 1, Cet. 1). Jakarta: Rajawali Pers.

Gaya MLA

Widjaja, Gunawan., Angga, Yongki. "Real Estate Investment Trusts". Ed. 1, Cet. 1 Jakarta: Rajawali Pers, 2008. Buku.