Não informado. (1931). Journal of calendar reform. International World Calendar Association.
Chicagoスタイル(17版)引用形式Não informado. Journal of Calendar Reform. New York: International World Calendar Association, 1931.
MLA(8版)引用形式Não informado. Journal of Calendar Reform. International World Calendar Association, 1931.
警告: この引用は必ずしも正確ではありません.