Luijpen, W. (1969). Existential phenomenology (Rev. ed.). Duquesne University Press.
芝加哥风格引文Luijpen, W. Existential Phenomenology. Rev. ed. Pittsburgh: Duquesne University Press, 1969.
MLA引文Luijpen, W. Existential Phenomenology. Rev. ed. Duquesne University Press, 1969.
警告：这些引文格式不一定是100％准确.