Yap, H. T. (2006). From inside the Berlin wall. University of the Philippines Press.
Chicagoスタイル(17版)引用形式Yap, Helen T. From Inside the Berlin Wall. Quezon City: University of the Philippines Press, 2006.
MLA(9版)引用形式Yap, Helen T. From Inside the Berlin Wall. University of the Philippines Press, 2006.
警告: この引用は必ずしも正確ではありません.