Food and Agriculture Organization of the United Nations & Zarkovich, S. S. (1961). Sampling methods and censuses. s.n.
芝加哥风格引文Food and Agriculture Organization of the United Nations 与 Slobdan S. Zarkovich. Sampling Methods and Censuses. Rome: s.n, 1961.
MLA引文Food and Agriculture Organization of the United Nations 与 Slobdan S. Zarkovich. Sampling Methods and Censuses. s.n, 1961.
警告：这些引文格式不一定是100％准确.