Unger, M. A., & Karvel, G. R. (1987). Real estate: Principles and practices (8a. ed.). South-Western.
Chicagoスタイル(17版)引用形式Unger, Maurice Albert, , George R. Karvel. Real Estate: Principles and Practices. 8a. ed. Cincinnati: South-Western, 1987.
MLA(9版)引用形式Unger, Maurice Albert, , George R. Karvel. Real Estate: Principles and Practices. 8a. ed. South-Western, 1987.
警告: この引用は必ずしも正確ではありません.