एपीए उद्धरण

Pook, L. (2003). Flexagons inside out. Cambridge University Press.

शिकागो स्टाइल उद्धरण

Pook, Les. Flexagons Inside Out. Cambridge: Cambridge University Press, 2003.

एमएलए उद्धरण

Pook, Les. Flexagons Inside Out. Cambridge University Press, 2003.