APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, & Loocke, P. R. V. (1999). The nature of concepts: Evolution, structure and representation. Routledge.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, ба Philip R. Van Loocke. The Nature of Concepts: Evolution, Structure and Representation. London: Routledge, 1999.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, ба Philip R. Van Loocke. The Nature of Concepts: Evolution, Structure and Representation. Routledge, 1999.