APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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