Παραπομπή APA

Pressley, A., & Segal, G. (1986). Loop groups. Clarendon Press.

Παραπομπή Chicago Style

Pressley, Andrew, και Graeme Segal. Loop Groups. Oxford: Clarendon Press, 1986.

Παραπομπή MLA

Pressley, Andrew, και Graeme Segal. Loop Groups. Clarendon Press, 1986.