Παραπομπή σε μορφή APA (7η εκδ.)

Grandis, M. (2009). Directed algebraic topology: Models of non-reversible worlds. Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Grandis, Marco. Directed Algebraic Topology: Models of Non-reversible Worlds. Cambridge: Cambridge University Press, 2009.

Παραπομπή σε μορφή MLA (8th εκδ.)

Grandis, Marco. Directed Algebraic Topology: Models of Non-reversible Worlds. Cambridge University Press, 2009.