Santos, R. P., & Webern, A. v. (1970). Variations on a theme by Webern. s.n.
芝加哥风格引文Santos, Ramon Pagayon, 与 Anton von Webern. Variations on a Theme by Webern. [S.l: s.n, 1970.
MLA引文Santos, Ramon Pagayon, 与 Anton von Webern. Variations on a Theme by Webern. s.n, 1970.
警告：这些引文格式不一定是100％准确.