North, J. (1955). William Z. Foster: An appreciation. International Publishers.
Chicagoスタイル(17版)引用形式North, Joseph. William Z. Foster: An Appreciation. New York: International Publishers, 1955.
MLA(8版)引用形式North, Joseph. William Z. Foster: An Appreciation. International Publishers, 1955.
警告: この引用は必ずしも正確ではありません.