APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, & Waterfield, R. (2000). The first philosophers: The presocratics and sophists. Oxford University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, ба Robin Waterfield. The First Philosophers: The Presocratics and Sophists. Oxford ; New York: Oxford University Press, 2000.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, ба Robin Waterfield. The First Philosophers: The Presocratics and Sophists. Oxford University Press, 2000.