APA-Zitierstil (7. Ausg.)

(1989). Cities and regions: Publ. by International Statistical Institute (ISI). ISI.

Chicago-Zitierstil (17. Ausg.)

Cities and Regions: Publ. by International Statistical Institute (ISI). Voorburg: ISI, 1989.

MLA-Zitierstil (8. Ausg.)

Cities and Regions: Publ. by International Statistical Institute (ISI). ISI, 1989.