Friedländer, M. J., & Braam, F. A. v. (1950). World collectors annuary. Brouwer.
Chicagoスタイル(17版)引用形式Friedländer, Max J., , Fred A. von Braam. World Collectors Annuary. Delft: Brouwer, 1950.
MLA(8版)引用形式Friedländer, Max J., , Fred A. von Braam. World Collectors Annuary. Brouwer, 1950.
警告: この引用は必ずしも正確ではありません.