Hammes, C. G. (1974). Four (4) billion shareholders in a troubled world. s.n.
芝加哥风格引文Hammes, Carl Gustav. Four (4) Billion Shareholders in a Troubled World. [S.l: s.n, 1974.
MLA引文Hammes, Carl Gustav. Four (4) Billion Shareholders in a Troubled World. s.n, 1974.
警告：这些引文格式不一定是100％准确.