APA-referens (7:e uppl.)

Owor, F. (2015). Application of Geographic Information System to Solidwaste Management in Port Harcourt City.

Chicago-referens (17:e uppl.)

Owor, Florence. Application of Geographic Information System to Solidwaste Management in Port Harcourt City. 2015.

MLA-referens (9:e uppl.)

Owor, Florence. Application of Geographic Information System to Solidwaste Management in Port Harcourt City. 2015.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.