Roy, S. R. (1990). Education for the twenty-first century: Asia Pacific perspectives.
Citazione stile Chigago Style (17a edizione)Roy, Singh Raja. Education for the Twenty-first Century: Asia Pacific Perspectives. Bangkok, UNESCO, 1990.
Citatione MLA (9a ed.)Roy, Singh Raja. Education for the Twenty-first Century: Asia Pacific Perspectives. 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.