Maria Carmen Sister & Ordonez, C. T. (1992). Sing for joy!: In grateful remembrance. Religious of the Assumption Philippine-Thailand Province.
Citazione stile Chigago Style (17a edizione)Maria Carmen Sister e Clarita Tambunting Ordonez. Sing for Joy!: In Grateful Remembrance. Manila: Religious of the Assumption Philippine-Thailand Province, 1992.
Citatione MLA (9a ed.)Maria Carmen Sister e Clarita Tambunting Ordonez. Sing for Joy!: In Grateful Remembrance. Religious of the Assumption Philippine-Thailand Province, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.