Hawarden, E. (1968). Summary of the May Day Manifesto. [s.n.].
Chicagoスタイル(17版)引用形式Hawarden, Eleanor. Summary of the May Day Manifesto. [S.I.]: [s.n.], 1968.
MLA(8版)引用形式Hawarden, Eleanor. Summary of the May Day Manifesto. [s.n.], 1968.
警告: この引用は必ずしも正確ではありません.