Luis, P. C. (1998). The design and construction of the Freedom Ring Philippine Centennial Exposition. Philippine Architects' Journal.
Chicago Style (17th ed.) CitationLuis, Prosperidad C. "The Design and Construction of the Freedom Ring Philippine Centennial Exposition." Philippine Architects' Journal 1998.
MLA (9th ed.) CitationLuis, Prosperidad C. "The Design and Construction of the Freedom Ring Philippine Centennial Exposition." Philippine Architects' Journal, 1998.
Warning: These citations may not always be 100% accurate.