Rubi, V., & Abejo, M. R. (1965). Ang pasko ay sumapit: Four voices with piano accompaniment. Phoenix Pub. House.
芝加哥风格引文Rubi, Vicente, 与 Maria Rosalina Abejo. Ang Pasko Ay Sumapit: Four Voices with Piano Accompaniment. [Quezon City: Phoenix Pub. House, 1965.
MLA引文Rubi, Vicente, 与 Maria Rosalina Abejo. Ang Pasko Ay Sumapit: Four Voices with Piano Accompaniment. Phoenix Pub. House, 1965.
警告：这些引文格式不一定是100％准确.