De Ungria, R. M. (1991). Voideville: Selected poems, 1974-79. Kalikasan Press.
芝加哥风格引文De Ungria, Ricardo M. Voideville: Selected Poems, 1974-79. Manila: Kalikasan Press, 1991.
MLA引文De Ungria, Ricardo M. Voideville: Selected Poems, 1974-79. Kalikasan Press, 1991.
警告：这些引文格式不一定是100％准确.