Ong, E. G. (1991). Winning in real estate, Philippine style. Worldlink Realty & Management Corporation.
Chicagoスタイル(17版)引用形式Ong, Eduardo Gutierrez. Winning in Real Estate, Philippine Style. [S.l.]: Worldlink Realty & Management Corporation, 1991.
MLA(9版)引用形式Ong, Eduardo Gutierrez. Winning in Real Estate, Philippine Style. Worldlink Realty & Management Corporation, 1991.
警告: この引用は必ずしも正確ではありません.