Popa, A. C. (2016). Tula sa Dilim. Ateneo de Naga University Press.
芝加哥风格引文Popa, Allan C. Tula Sa Dilim. Naga City: Ateneo de Naga University Press, 2016.
MLA引文Popa, Allan C. Tula Sa Dilim. Ateneo de Naga University Press, 2016.
警告：这些引文格式不一定是100％准确.