Vaidya, N. (1996). Science teaching for the 21st century. Deep & Deep.
Chicago-čujuhus (17. p.)Vaidya, Narendera. Science Teaching for the 21st Century. New Delhi: Deep & Deep, 1996.
MLA-čujuhus (9. p.)Vaidya, Narendera. Science Teaching for the 21st Century. Deep & Deep, 1996.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.