APA (7. basım) Alıntı

Ong, E. G. (1991). Winning in real estate, Philippine style. Worldlink Realty & Management Corporation.

Chicago Style (17. basım) Atıf

Ong, Eduardo Gutierrez. Winning in Real Estate, Philippine Style. [S.l.]: Worldlink Realty & Management Corporation, 1991.

MLA (9th ed.) Atıf

Ong, Eduardo Gutierrez. Winning in Real Estate, Philippine Style. Worldlink Realty & Management Corporation, 1991.