Yap, A. (2000). The space of city trees: Selected poems. Skoob Books.
芝加哥风格引文Yap, Arthur. The Space of City Trees: Selected Poems. London: Skoob Books, 2000.
MLA引文Yap, Arthur. The Space of City Trees: Selected Poems. Skoob Books, 2000.
警告：这些引文格式不一定是100％准确.