Usman, E. K. (1997). Time for dialogue of life: Christmas and Ramadhan occur in a single month. Manila Bulletin.
Citazione stile Chigago Style (17a edizione)Usman, Edd K. "Time for Dialogue of Life: Christmas and Ramadhan Occur in a Single Month." Manila Bulletin 1997.
Citatione MLA (9a ed.)Usman, Edd K. "Time for Dialogue of Life: Christmas and Ramadhan Occur in a Single Month." Manila Bulletin, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.