APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, & Leaman, O. (1998). The future of philosophy: Towards the twenty-first century. Routledge.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, ба Oliver Leaman. The Future of Philosophy: Towards the Twenty-first Century. London : New York: Routledge, 1998.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, ба Oliver Leaman. The Future of Philosophy: Towards the Twenty-first Century. Routledge, 1998.