Παραπομπή σε μορφή APA (7η εκδ.)

De Guzman, R. P., & Mariano, V. D. (1973). The role of cities in attaining desirable population distribution in the context of rapid urbanization. [s.n.].

Παραπομπή σε μορφή Chicago (17η εκδ.)

De Guzman, Raul P., και Vicente D. Mariano. The Role of Cities in Attaining Desirable Population Distribution in the Context of Rapid Urbanization. Manila: [s.n.], 1973.

Παραπομπή σε μορφή MLA (9th εκδ.)

De Guzman, Raul P., και Vicente D. Mariano. The Role of Cities in Attaining Desirable Population Distribution in the Context of Rapid Urbanization. [s.n.], 1973.