De Leon, L. T. (1983). Barrio Escopa: A summative evaluation of a pilot housing project in the Philippines. UMI Dissertation Services.
Chicago-referens (17:e uppl.)De Leon, Lily Tomas. Barrio Escopa: A Summative Evaluation of a Pilot Housing Project in the Philippines. Ann Arbor, Michigan: UMI Dissertation Services, 1983.
MLA-referens (9:e uppl.)De Leon, Lily Tomas. Barrio Escopa: A Summative Evaluation of a Pilot Housing Project in the Philippines. UMI Dissertation Services, 1983.
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