APA-referens (7:e uppl.)

Pérez-Macías-de-Zerpa, M. (2013). Prospective identification of factors in the process of urban environmental management “metro station Petare” Caracas, Venezuela. Universidad Autónoma de Tamaulipas.

Chicago-referens (17:e uppl.)

Pérez-Macías-de-Zerpa, Mildred. Prospective Identification of Factors in the Process of Urban Environmental Management “metro Station Petare” Caracas, Venezuela. Universidad Autónoma de Tamaulipas, 2013.

MLA-referens (8:e uppl.)

Pérez-Macías-de-Zerpa, Mildred. Prospective Identification of Factors in the Process of Urban Environmental Management “metro Station Petare” Caracas, Venezuela. Universidad Autónoma de Tamaulipas, 2013.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.