The Sigma Alpha Sorority 45 years and beyond - Laraya, Violeta Adriano; Magat, Rosalina, de la Paz; Morales, Natalia, Ma. Lourdes Mineque (Diliman, Quezon City U.P. Sigma Alpha Sorority Alumnae Association, 2009)
In English, and some articles in Tagalog.
Keywords: Sigma Alpha Sorority (University of the Philippines) -- History; Greek letter societies -- Philippines -- History