Cruz, C. B. (1996). Profile of an exemplary public administrator: Elfren Sicangco Cruz, former governor, Metropolitan Manila Development Authority, former secretary, Presidential Management Staff.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cruz, Corazon Bautista-. Profile of an Exemplary Public Administrator: Elfren Sicangco Cruz, Former Governor, Metropolitan Manila Development Authority, Former Secretary, Presidential Management Staff. 1996.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Cruz, Corazon Bautista-. Profile of an Exemplary Public Administrator: Elfren Sicangco Cruz, Former Governor, Metropolitan Manila Development Authority, Former Secretary, Presidential Management Staff. 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.