Anseele, E. 060/C.1/00227: De Greef, Guillaume (21 september 1931).
Chicagoスタイル(17版)引用形式Anseele, Edward. 060/C.1/00227: De Greef, Guillaume (21 September 1931).
MLA(8版)引用形式Anseele, Edward. 060/C.1/00227: De Greef, Guillaume (21 September 1931).
警告: この引用は必ずしも正確ではありません.