Einsiedel, . V. N. (2007). Philippine real estate is turning green. Filipinas.
Chicago Style aipamenaEinsiedel, Von Nathaniel. "Philippine Real Estate Is Turning Green." Filipinas 2007.
MLA aipamenaEinsiedel, Von Nathaniel. "Philippine Real Estate Is Turning Green." Filipinas, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.