APA-viite (7. p.)

Sassen, S. (2019). Cities in a world economy (5a. ed.). SAGE Publications.

Chicago-viite (17. p.)

Sassen, Saskia. Cities in a World Economy. 5a. ed. Thousand Oaks: SAGE Publications, 2019.

MLA-viite (9. p.)

Sassen, Saskia. Cities in a World Economy. 5a. ed. SAGE Publications, 2019.