Espina, C. S. P. (2002). Vertical community: A model residential development.
Chicago-viite (17. p.)Espina, Cristopher Stonewall P. Vertical Community: A Model Residential Development. 2002.
MLA-viite (9. p.)Espina, Cristopher Stonewall P. Vertical Community: A Model Residential Development. 2002.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.