Sichrovsky, H. (1987). Ferdinand Blumentritt: An Austrian life for the Philippines : the story of Jose Rizal's closest friend and companion. [s.n.].
Chicagoスタイル(17版)引用形式Sichrovsky, Harry. Ferdinand Blumentritt: An Austrian Life for the Philippines : The Story of Jose Rizal's Closest Friend and Companion. Manila: [s.n.], 1987.
MLA(9版)引用形式Sichrovsky, Harry. Ferdinand Blumentritt: An Austrian Life for the Philippines : The Story of Jose Rizal's Closest Friend and Companion. [s.n.], 1987.
警告: この引用は必ずしも正確ではありません.