Παραπομπή σε μορφή APA (7η εκδ.)

Pukelsheim, F. (2014). Proportional Representation: Apportionment Methods and Their Applications. Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Pukelsheim, Friedrich. Proportional Representation: Apportionment Methods and Their Applications. Cham: Springer International Publishing : Imprint: Springer, 2014.

Παραπομπή σε μορφή MLA (8th εκδ.)

Pukelsheim, Friedrich. Proportional Representation: Apportionment Methods and Their Applications. Springer International Publishing : Imprint: Springer, 2014.